[FIX] Select submitters evaluation form
[FIX] Book of Abstracts setup sort by
[FIX] 32bit checks
[FIX] BTREE_MIN_INT negative value
Merge pull request #39 from arescope/fix-min-negative-value

[FIX] BTREE_MIN_INT negative value
[FIX] Evaluation form clone

- Closes #1386
[FIX] Do not show contact info section for contributions

 * Only categories and conferences
[FIX] Bypass authentication for EA signing

 * People should not need to have access to the event;

Conflicts:
	indico/MaKaC/plugins/Collaboration/handlers.py
[FIX] PEP8 issues
[FIX] Cache map of rooms per user

- Closes #1405
[FIX] Dummy conf for tests created in the past
[IMP] HTTP API - future events flag

- Tell whether there are future events or not
- Some PEP8
- Closes #1406
[IMP] Add modification date contrib to MARCXML

- Closes #1407
[VER] Version Bump
[FIX] Download URL
[FIX] TT overlap sessions in detailed mode

- Closes #1412