modifying attributes in table photos
adding migrations
fixing brocken migration
adding columns to freindships and notifications
adding poll answer and question
Merge branch 'migrations' of https://github.com/yousraHazem/Topsoft-14 into C3_hussien_157_Play_uploaded_videos_online

merge migrations
Merge branch 'C3_hussien_157_Play_uploaded_videos_online' of https://github.com/yousraHazem/Topsoft-14 into C3_hussien_157_Play_uploaded_videos_online

fixing Validations