Removed QA logo from all pages except landing
Merge pull request #46 from ossreleasefeed/remove-qa-logo-except-landing-page

Removed QA logo from all pages except landing
Git Issue 24 - Remove allow_multiple_finishes from Task models

Fix start_date bug in AvailableTasksView.get_queryset

Add migration

Make is_available property more concise
Issue 21 - Add "abandoned" state for task attempts instead of deleting them when abandoned
Fixes Issue #35 - Add Markdown Editor to Admin Interface
Fixes Issue #19 - Prevent users from leaving feedback on tasks they have not completed or abandoned
merged master with issue26 branch
Further fixes and enhancement to landing page