[FIX] Category Material nonInheritedChildren

- Closes #1315
[FIX] Session default duration for contribution

- Closes #1328
[FIX] not allow groups as contribution speakers

- Closes #1324
[FIX] Timetable caching timezone
[FIX] Unlink material/resources on deletion
[FIX] None value coming from getOwner()
[FIX] Objects with no submitter list
[FIX] Room booking time slider wrong position

- Closes #1313
[FIX] Consumer list offset table changes

- Closes #1321
[FIX] Outlook plugin: do not notify past events

- Closes #1326
[FIX] OAuth: unauthorized token handling

- Closes #1327
[FIX] -> 1331 telephone field added in searchForUsers() of RoomBookingBookingForm.tpl
[DEL] FullyPublic related in Reviewing

- Closes #1333
[FIX] isFullyPublic and isFullyProtected to check own permissions
[IMP] Exposed (API) full room name and keywords
[FIX] Connect button when room pc

- Closes #1339
[FIX] Session slot display own conveners only
[FIX] Room booking room details image size

- Closes #1341
[FIX] Changed regexp to parse old Indico IDs like a12345cs1t2
[FIX] Contribution list material package

- Download all material types
- Closes #1347