Added 15 second delay before trying to sit after entering the sim
RAD-402: Don't report crash when marker file from another running instaance is found
RAD-402: take into account advisory locking used in mono based on fcntl
Process more textures per frame
RAD-422: Speed up appearance changes on SSA regions
RAD-418: Uknown altitude in SL is now reported as 1020m instead of 0m
Avatar position cannot be any worse
RAD-423: WIP reduced number of folders fetched in parallel
Version 2.12
Merge remote-tracking branch 'origin/master' into osx