menu selected mode
Merge branch 'master' of https://github.com/ischweizer/phdpapertool

Conflicts:
	app/views/timeline.blade.php
set default menu
Show login button if not logged in; otherwise show logout button
implement profile page
Papers: Show only own papers, add validation, small bug fixes
move conference edition dates to new events table

so it can also be used by workshops
workshop creation/edit
show jumbotron only as guest
use built in guest check instead of own
Paper: Started submission selection
Merge branch 'joey_anton_testing'
more beautiful submission selection for papers
fix some bugs in enroll and request controllers
fix some bugs in request controller
remove navigation bar for guests
add login-back button
Merge branch 'master' of https://github.com/ischweizer/phdpapertool
sdfadsf
Merge branch 'master' of https://github.com/ischweizer/phdpapertool