Move social tracking to js (wasn't working for promotion plugin), fix 2 windows opening for twitter tweet
LUN-1507 : Add header padding only if branding image is available
Add proxy prefix to social URLs
Merge pull request #13 from laurafeier/LUN-1507

Move social tracking to js (wasn't working for promotion plugin)
Added entry tests for title rendering and publication date reset.
Added tests for blog menu nav nodes.
Added authors tests; unused authors will now get deleted.
Merge branch 'master' of github.com:laurafeier/django-cms-blogger

Conflicts:
	cms_blogger/models.py