real
Fixed the domain error flag_value message to be able to print the flag if given.
ORP support
Merge branch 'master' of ssh://git.dcc.fc.up.pt/yap-6.3
depth breadth trie corrections and more :-)
fix current and system predicate
Merge branch 'master' of ssh://git.dcc.fc.up.pt/yap-6.3
begin of support for named mutexes.
small warnings.
typos
warnings
Merge branch 'master' of ssh://git.dcc.fc.up.pt/yap-6.3

Conflicts:
	C/threads.c
	JIT/HPP/EnvironmentInit.h
	packages/ProbLog/simplecudd_lfi/problogbdd_lfi.c
	pl/preds.yap
more thread work to cean-up mutexes. Not finshed yet
fix small bugs
fix mutex creation
fix mutex creation
fix warnings
Mutex stuff movibg to C
try fixing tcapabilities
move to eval.h