Added support for uploading image avatars
Improved student save process
Added angular file uploader
Added steps to create the site root directory
(need to clean up unassigned avatars if they are changed)
Merge branch 'master' of http://github.com/icompuiz/node-ttkd

Conflicts:
	app/scripts/controllers/students/create.js
	app/scripts/controllers/students/create/photo.js