Change Core platform to rely on libosa.
Merge branch 'master' of ssh://core.linn.co.uk/home/git/ohnet
Merge branch 'master' of ssh://core.linn.co.uk/home/git/ohnet
Add static Thread::CheckCurrentForKill()

ThreadFunctors, until now, had no way to check their 'kill' flag. The new interface differs
from CheckForKill() in that it checks the kill flag for the /current/ thread, not for the
Thread object.
Null the Volkano2 Os.c implementation - this now lives in libosa.

The file remains because the build-system expects it.
Fix typo in Core platform setup.
Merge branch 'master' of ssh://core.linn.co.uk/home/git/ohnet
Merge branch 'master' of ssh://core.linn.co.uk/home/git/ohnet
Fix Android build
Fix potential Log::Print overload ambiguity
Fixes for big endian Linux and little endian Java builds
Java access to redirecting log output and setting debug (logging) levels.
Fix for Linux Java build