Obvious fix is obvious: some undefined indexes

Signed-off-by: emanuele <emanuele45@gmail.com>
Improved allBoards to include inclusion by permission (through boardsAllowedTo)

Signed-off-by: emanuele <emanuele45@gmail.com>

Conflicts:

	sources/controllers/Post.controller.php
Reworking a bit the query after Spuds suggestions

Signed-off-by: emanuele <emanuele45@gmail.com>
Merge pull request #236 from emanuele45/allBoards

All boards