[FIX] Item order Administrative style

- Closes #1303
[FIX] Timetable legend showing all slots solved
[FIX] Invite participant URL mandatory

- Closes #1299
[FIX] HTTP API requests produce https links
[FIX] OAUth authorized list display

- Closes #1282
[FIX] Save minutes button iPad

- Refactor of the onChange event in the text
- Closes #1296
FIX] Timetable material popup IE

- Closes #1301
[FIX] Owner object when clone vidyo

- Closes #1304
[IMP] Book of abstracts author list

- Primary authors and co-author in a different list.
- Options for the corresponding author: Submitter, Speakers or nobody
- Closes #1291
[MIN] Book of abstracts Authors

* corresponding author - speaker: always take from contribs
* if no authors, do not display the caption
[FIX] Delete session slot in sessionSchedule

- Closes #1300
[FIX] Video Services new booking escape quotes

- Closes #1305
[FIX] Conference header navbar tooltips

- Closes #1309
[FIX] Cloning booking from event management

- Closes #1302