Changed navigation bar
Update README.md
Breadcrumbs and navigation bar appear no longer in the same line
Merge branch 'navigation-bar'

Conflicts:
	adhocracy_client/static/stylesheets/style.css
Fix login style (Fixes #272)
Merge branch 'master' of https://github.com/hhucn/adhocracy.hhu_theme
Add CSRF token field in alternate login form
Add dedicated JavaScript file for alternate login in preparation of CSP
Update import styles
Link to overview page instead of proposals page for feedback instance (Fixes #258)
Remove spurious ">" (Fixes #275)
Allow customization of massmessage sender name (#256)
Align instance description overview with new proposal button (Fixes #257)
Revert "Allow customization of massmessage sender name (#256)"

This reverts commit 7ffdf108d496d29a4e00b631ce408b4c103098d0 - I removed the breadcrumbs by accident
massmessage: Fix authorization check in template
Restyle header (fixes #276)
Port 43eeb673739118bf2fe8a4431c73850cea555c60
Better frontpage on mobile devices (#108)
Better breadcrumbs and message bars on mobile devices (#108)
Fixed proposal page in mobile view (#108)