index search projects, upgrade to haystack 2
search interface, ajax views
provide picture fallback
beginning of profiles and workgroup indexing
cache, better display, working user and workgroup fetching.
upgrade backcap version
try to boost whoosh
respect profile and workgroup privacies
enhance speed
Merge branch 'develop' into feature/newsearch

Conflicts:
	apps/workgroup/models.py
	requirements.txt
	static/compiled_sass/style.css
	static/sass/style.scss
search page
Start project support app
Move project support urls
Add support creation view
Implements Tagged categories model
Split forum CSS
Refactoring and styling
Merge remote-tracking branch 'upstream/develop' into feature/project-support
Add contributors and activities feature
Merge remote-tracking branch 'upstream/develop' into feature/project-support
Rename and split forum template/CSS