added regular file checks on RETR and STOR commands, fixed command sequence problems (hopefully) with data connections, added space before X-DUPE in xdupe replies, fixed a problem where threads blocked on data listen() cannot be interrupted
fix for last update :/
tweaked some ssl settings to see if errors disappear, symlinks now resolve properly for non-existing (yet to be created) paths
fixed compiler compatibility problem causing failed compilation on gcc 4.7
renamed readme
fixed some compilation problems when compiling with clang 3.3, fixed a problem when upgrading from mongodb 2.2 to 2.4
tidying
converted some tabs to spaces
converted more tabs to spaces
Merge branch 'bio-master' into temp