Added special check in TopicValidation to avoid unique constraint to be thrown on topic update (but only in post requests) #480
Continued to implement edition of topics, made successfuly saving more explicit
Made uploading of unreachable images less buggy #481
Improved handling of unreachable URL for topic.form
fix dupDetector in ttTypeahead
check that subject == predicate.subject in human query propositions
filter predicates according to subjects in human queries
strip human queries before processing them
Added new module called detective.constants + created new events constants
Implemented EVENTS usage in TopicFormCtrl and its subclassed (CreateTopicCtrl, EditTopicCtrl)
Added subscription to EVENTS.topic.created in Auth service to reload user permissions on topic creation
Subscribed to EVENTS.trigger.scroll in locationScrollTo directive
Replaced see in details link ng-href='' by ng-click='' #479
Added usage of ContributeCtrl.seeDetails method in topic.contribute template #479
fix #442
Merge branch 'feature/fix-graphsearch' into develop
[API/TopicResource] Set thumbnail to None if background is None
Set background on test_topics.json
Refined background checks in TopicFactory to handle background deletion
Added specific api tests to check if background deletion works