Fixed missing types
Added java class for worker
Created a scala html for worker view
Deleted older files
Changed name of file
Added a toolbar for worker
Added views for categories and products of worker
Updated path to admin views files
Added a module for worker class
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/models/Worker.java
	public/html/workers.html
	public/javascripts/admin.js