set host binding to 0.0.0.0 (#459)

Update settings.cr

Shows severity if is greater than debug

Update database.cr

Update database.cr

Update logger.cr

* [Settings] Adds options to logging property

Allows for logging to be more configurable by replacing the
colorize_logging property to a logging hash(String, Bool) property.

This change will allow to make logging information more configurable
when an Amber::Environment::Logger is introduced.

* [Env] Adds logger formatter to environment.cr

Adds the default logging formatting to the environment module.

This module is used for the CLI and Amber to manage the framework
environment.

- Modifies the Environment::Loader so it loads defaults settings if no
Environment config file is present.

* [Logger] Pipe Logger

Makes pipe logger more configurable allowing it to accept config
settings at initialization.

- Allows to pass in a filter, skip and context

* [Logger] Pipe Logger

Makes pipe logger more configurable allowing it to accept config
settings at initialization.

- Allows to pass in a filter, skip and context

* [CLI] Adds consistent logging to CLI

* Bumped version number to v0.5.0.

* Settings amber lock back to master for master branch

* [Settings] Adds options to logging property

Allows for logging to be more configurable by replacing the
colorize_logging property to a logging hash(String, Bool) property.

This change will allow to make logging information more configurable
when an Amber::Environment::Logger is introduced.

* [Logger] Adds Amber Environment Logger

The logger extends the Crystal Lib logger to allow to standarized the log output. It will also allow to extend the implementation of the logger.

- Adds puts method for regular logging
- Overwrites severity log methods to Amber style of logging.

* [Env] Adds logger formatter to environment.cr

Adds the default logging formatting to the environment module.

This module is used for the CLI and Amber to manage the framework
environment.

- Modifies the Environment::Loader so it loads defaults settings if no
Environment config file is present.

* [Logger] Pipe Logger

Makes pipe logger more configurable allowing it to accept config
settings at initialization.

- Allows to pass in a filter, skip and context

This removes the Run and Perform command in favor of existing commands
that perform the same tasks.

- Run is replaced by using `crystal build` or `shards build` these
commands builds the project and later the project can be ran with
`./bin/{}project_name}`
- Perform is replaced in favor of the exec command that can execute
existing files.
- Adds header to commands for better help display.

In order to add amber as a permanent formula to homebrew we have to make
the following changes to the makefile

- Remove sudo
- Add prefix directory

With these changes the makefile continues to work and it is also
compatible with homebrew.

* working filedescriptors. needs benchmarks

* only rescues from File handler related errors

uses keep-alive by default but gives it a limit.
this stops chrome from keeping more than one open and safari closes all
of them.

* benchmarking change

* added encryption_key to deploy

* option for local database or remote database.

* added environment option

* small change to trigger test rerun

* fixed order dependent csrf test. Feels good.

* fix other order dep bug

* Provide attributes for git config

* Add git config data and development usage

* Fix installation section

* Fix typo

* Remove database condition

* Add author and email to shard.yml

* Fix wrong var name

* Avoid empty `user.name` or `user.email`

* Use system

* Add type

* Mention amber encrypt and add mysql

* Remove variable

* Fix default

* Clarify fetch code

* verbose messages for exceptions in CLI

* used exit! from cli for better errorsj

Currently environment is a constant and when no environment is
set it defaults to development. After the environment is set and the 
constant is loaded the environment would not change. 

- Makes current_environment a method instead of a constant
- Does not default the environment value to development

This change makes it possible to get the environment or default to the
development environment.

* Fix logo media query

Use 767px instead of 800px, this change optimize size used by logo on small screens

* WebSockets mini refactoring

- Fix typo `adpater` by `adapter`
- Unwrap one-line code blocks, making them more readable
- Handle nil case avoiding `not_nil!` preventing `NilAssertion` fail exception

* Fix type mismatch

* Return pubsub_adapter

* Use Proc generic class

* [Params] Appends Files to params hash

Currently there is `context.files` and `context.params` having two
scopes to what is considered params can be confusing.

The changes in this PR consolidates files with params

- Adds Amber::Router::Files::File to params hash
- Updates Specs and files

* fixup! [Params] Appends Files to params hash

The code looks into a `./.amber.yml` file to load predefined settings
for Amber::CLI, there is a lot of duplicate code around loading this
settings.

This Removes the code duplication by creating a Config module to load
the cli specific settings.

- Adds Amber::CLI::Config module
- Removes duplicate code

* [ENV] Creates an Environment Module

In order to remove duplication and reuse Amber.settings across CLI
and Amber this moves the Environment functionality into its own module.
This change facilitates the reuse of Amber::Settings encapsulating common
functionality into the environment module.

- Adds environment module
- Moves Environment, Environment Loader and Settings to the Environment
module
- Includes the Environment Module in Amber and Amber::CLI
- Fixes Specs

After this change the CLI and Amber will be able to share the same
Amber.settings scope only loading the necessary module.

* fixup! [ENV] Creates an Environment Module

* fixup! [ENV] Creates an Environment Module

* fixup! [ENV] Creates an Environment Module

* fixup! [ENV] Creates an Environment Module

* fixup! [ENV] Creates an Environment Module

* fixup! [ENV] Creates an Environment Module

* added PORT ENV by default since that's supported by almost every system

* more syntax fixes. settings must match correct type for setting (bool, int32) etc. ENV vars are all strings.

* Update auth generator

* Refactor migration helper methods to a module
Mixin that module with the migration template and auth template

* Remove memoization of @password for generated auth model

* Refactor helpers, fetching database, and fetching template language for CLI

* Refactor auth template

* Refactor slang views for auth for CLI

* Refactor controller for 'amber g auth'
- Includes moving current_user-like methods into ApplicationController

* Add newline to generate method definition

* CLI - Add root path to allowable paths, move list of paths to constant

* Switch fetch helper methods to be private

* Change implementation of how a path is determined to be public

* Add error generator to CLI

* Add 'generate error' to build tests

* Have 'amber g error' not require a name argument
The other generate commands still require a name arguement

* Reorganize error generator files, implement generated specs, generate handler for error pipe

* Have 'amber g error' generate views for selected language only

* Uncomment cleanup command for build specs

* Rename templates to allow dynamic name for 'amber g error'

* progress

* file encryptor

* progress

* added file encryptor tests

* added requested changes

* [ENV] Add Update YAML Files For Testing

Adds and update the yaml files to be used for testing switching
environments.

- Adds Development YAML
- Adds Encrypted YAML
- Adds Fake Environment Yaml
- Updates Test yaml

Some spec will fail and this is expected so we can work thru the
failing test

* [ENV] Remove Environment Loader Scripts

Removes the Environment loader script files since we will attempt to
load environment dynamically from an Environment Loader Class

* [ENV] Introduces Env Loader

Adds environment loader class and uses this class to load the
environments

- Removes all settings related method from Configuration and only keeps
server related methods
- Adds Environment Loader Spec
- Adds Environment Loader class

* [SESSION] Fixes Session Specs

Fixes session specs and adds Sever.settings scopes

* [Settings] Rename color to colorize_logging

Currently the Settings.color is not very descriptive. After looking at the way Rails does this decided to change the name colorize_logging which it makes more sense

* [Config] Adds inline documentation to application.cr

Adds definitions to each and one of the settings found in the config/application.cr to dictate and clarify to the user the purpose of the setting and how it should be used.

* [CLI] Use application.cr in Exec command

Application.cr is Amber app main entry point and should be use when wanting to load the Amber Environment.

These changes moves towards the goal of using `require “config/application.cr”` as the main entry point for amber app. Increases consistency and cohesion.

* [Server] Removes Configuration File and Cleanups Server

The configuration file was just storing server class methods. The changes found in this PR moves those methods into the `amber/server/server.cr` file and deletes the `amber/server/configuration.cr`

- Moves `amber` module related methods into `amber.cr`
- Creates `amber/server/server.cr` file

* Parrallelize travis

* [Crystal Format] Applies crystal tool format

* fixup! [Config] Adds inline documentation to application.cr

* [Amber] Cleanup settings and logger

* [CLI] Remvoes curly braces from yamls

* [SPECS] Move Build Spec to Root for Fater Specs

Removing in favor of `amber db migrate`. Having the `amber migrate` is
redundant and over complicated the list of commands to learn.

- Deletes migrate command file
- Updates readme
- Updates deploy command

With the removal of the `amber migrate` command we have simplify the
number of commands available and writing redundant documentation for a
command that already exists under the `amber db`

* [CLI] Moves DB settings to config/environments

Currently database settings reside in the config/database.yml this is
redundant since Amber has settings per environment.

This PR removes the `config/database.yml` and uses the environment yamls
files to load the database settings.

There is a couple of benefits for doing this:
1. Database settings are loaded per environment.
2. It is more intuitive to know where to put DB settings.

[ENV LOADER] Add database settings to environment_loader

- Adds database property to Amber::Settings
- Adds database property to spec test.yml
- Load database settings from environment yml
- Updates settings specs to check for database settings
- Updates environment loader specs to check for database settings

[CLI] Updates init spec file

- Updates amber spec file to check for database key
- Tidy init_spec connection string validation
- Add `expected_db_url(db_key, env)` method to cleanup specs

* merging changes between branches

* fix to db seeds

* [CLI] Moves DB settings to config/environments

Currently database settings reside in the config/database.yml this is
redundant since Amber has settings per environment.

This PR removes the `config/database.yml` and uses the environment yamls
files to load the database settings.

There is a couple of benefits for doing this:
1. Database settings are loaded per environment.
2. It is more intuitive to know where to put DB settings.

[ENV LOADER] Add database settings to environment_loader

- Adds database property to Amber::Settings
- Adds database property to spec test.yml
- Load database settings from environment yml
- Updates settings specs to check for database settings
- Updates environment loader specs to check for database settings

[CLI] Updates init spec file

- Updates amber spec file to check for database key
- Tidy init_spec connection string validation
- Add `expected_db_url(db_key, env)` method to cleanup specs

* merging changes between branches

* fix to db seeds

* fix docs.  also fix docker-compose for sqlite regarding missing volume

When the path ends with `/` it checks if the public directory has an
index.html to be rendered.

Updates config/router.cr to use Amber::Pipe:Static instead of Crystals
Static handler. Users are receiving the incorrect content type for
static files served.