Changing Sentry Auth Source

Using composer instead package.
Adding Composer

Add composer autoload.php into FuelPHP bootstrap.php

Alias 'Cartalyst\Sentry\Facades\FuelPHP\Sentry' to 'Sentry'.
Merge branch 'tmp' into dev
Merge And Changing .gitignore List
Merge remote-tracking branch 'bsd/dev' into dev

Conflicts:
	composer.json
Set Sentry Auth to Version 2.0.2
Fix Group Creation Error

This error may cause by 'illuminate/database' class 'Schema'.
It didn't addd field 'created_at' and 'updated_at' automatically.
No More Tabs
Fix Migrate Down
Merge branch 'dev'

Fix some Sentry Auth errors after update.