Issue #73 add read column in UserNotifcationUsers and IdeaNotificationUsers, add link_name column in IdeaNotification and UserNotification
Issue #73 fix notification migrations
Issue #73 fix EditIdeaNotification migration change add to remove
Merge pull request #107 from DevYah/C1_AminaZoheir_#73_Notifications_migrations

Issue #73 Add columns in notification tables