Added front-end stuff and updated API

Added accessors to the Holiday model.
Updated Holiday model settings.
Updated TestSeeder (no more info).
Updated Repository (no more info).

Updated view file.
Added angular scripts.
Added front-end states.
Added tests.
Merge branch 'master' of https://github.com/SourceScript/juan-holiday

Conflicts:
	app/Juan/Repositories/Holiday/EloquentHoliday.php
	app/database/migrations/2014_08_22_111014_Holidays.php
Fixed broken merge.

Updated `from` and `to` -> `start` and `end`.