Minor - code indentation and comments
Added iid field to c_announcement and c_announcement_attachment - missing chash structure change - refs #6500
Fixed issue with global reach of  in announcements + Fixed typo
Added iid field to c_attendance* tables for InnoDB - missing chash structure change - refs #6500
FixingFixing homepage loading see BT#6527
Blocking breadcrumb if option is set see BT#6528
Adding print_r parameter that blocked the question list.
Adding js validation see BT#6519
Answer required for unique answers see BT#6522
If review answer is on for question, then do not remember the option when entering the question see BT#6520
Updating from mine branch
Updating from mine branch.
Fixing "bad credentials" text BT#6516