bump request queue sizes in high performance mode
simplify logic for sending torrent_finished_alert and fix incorrect assert
a bit more robust error messaging when deleting files in a torrent
merged disk buffer pool change from RC_0_16
fix the off-by-one errors in file_storage as well as a NULL conversion warning (typo)
fix build
back port uninitialized variable access fix from libtorrent_aio
use posix_memalign on linux, not valloc
make disk cache pool allocator configurable
fix disk setting sync.