Add Updates controller and Update model
Remove daemons fron Gemfile. Add shell_commands
Add Updates controller and Update model

Summary:
Remove daemons fron Gemfile. Add shell_commands

Slight modifications to update script.

Test Plan: 	Push a change to the repo and see if it catches it

Differential Revision: http://hackphab.tk/D8
Merge branch 'master' of https://github.com/bradysullivan/HackRails

Conflicts:
	update_script.rb
	update_script_controller.rb