Fixed view engine

Made it possible to use views from features.
Also made it possible to use a theme in the app and load views from that.

Fixed a few code issues as well, to integrate the view engine properly.
Fixed gitignore file
Merge branch 'develop' of https://github.com/wmeints/FluffyUnicorn into develop

Conflicts:
	.gitignore
	core/viewengine.js
	features/authentication/handlers/account.js
	features/authentication/handlers/index.js
	features/authentication/index.js
Merged changes from master
Fixed grunt
Fixed express module