Updated ioserv config doc. Patch by Sergey Shtykov <bayonet@yandex-team.ru>
Merge remote-tracking branch 'upstream/master'
Use session's ioflags in bulk operations and when calling find_indexes()
Do not commit what was already committed by EBLOB_OVERWRITE_COMMITS bit and when size+offset match what should be committed
Merge remote-tracking branch 'upstream/master'