Merge pull request #24 from C4ptainCrunch/master

Mostly daemons refactoring and logging facilities
Bump django version
get rid of django.contrib.markup
remove some useless genric views
fix new-style {% url %} templates
temp remove last activity because it was buggy and not up to date
Refacor settings to be a lot more modular and use django 1.6 new less verbose settings file
Add local settings to .gitignore
rename calendar app to calendars to fix a conflict with python's stdlib calendar and add celery
rename calendar app to calendars to fix a conflict with python's stdlib calendar and add celery
Merge branch 'celery' of github.com:C4ptainCrunch/beta402 into celery
Add celery config
Render bugfixes
Fix to graph to png command (make graph)
add a first draft of a document celery chain
remove every occurency of PendingDocument
Remove old processing_daemon
move process_pdf chain in the tasks module
Also use celery for the notification daemon :)
Add celery support to the Makefile