back to 12-column layout
navbar is now a partial
application layout now uses new navbar partial
refactured show to use new column layout
fixed dropdown admin button not working on mobile
moved notifications to partial
application layout now uses new notification partial
added slightly greyer hover color for dropdown links
added columns and rows to some files
moved brand to top of navbar
added rows and columns to user views
removed unnessecary div
simplified index table view
refactured image code
changed navbar title
simplified admin table view, sidebar is now responsive, refactured header image
added support for responsive sidebar and new header image to css
Merge branch 'master' of github.com:Samfundet/Bedpres into mobile

Conflicts:
	app/views/layouts/application.html.haml
	app/views/presentations/_presentations.html.haml
	app/views/presentations/index.html.haml
	app/views/presentations/show.html.haml
removed references to user and replaced with participant
moved create presentation link outside of conditional