removing nickname and permission_id from RegisteredUsers
renaming column in notifications
renaming tags to tag in keywords
creating offensive_words #324
creating posts #328
creating comments #329
creating table puzzle score
creating puzzle table
creating interests,hobbies, and favourites tables #292 #293 #294
creating content provider table #333
#337 adding image attribute to events
#339 Change column name from category to topic in activites
#347 adding column screenshot to videos
#348 #349 creating drag and drop & drag and drop scores
#350 creating audio files
Issue #318 add view friends form