0.2.1 Facade/Alias Support and Blade fixes.

Adds support for Facades and Aliases, plus misc fixes.

• Facades for Illuminate's Blade, Config, Event, File, and View services.
• Facades for SageXpress Comments, Menu, and Sidebar providers.
• Overwrite Laravel Blade directive for @inject to set container to Sage.
• Fixes the Blade::if() method for those opting to work with Laravel version 5.5