Revert "Merge branch 'ui-router'"

This reverts commit 2a41905adc774ac656367c10bf58035659bfd233, reversing
changes made to beda55284c0bee0a1d96e1243f3da5a9073c34d5.

Conflicts:
	app/assets/javascripts/app.js
	app/assets/javascripts/config/routes.js
	app/assets/javascripts/pages/index/index.js
Split group/employee accordion into directive
Rename index controller to indexController
Simplified index template and controller file names