allow . and .. in a path so long as the result doesn't escape from the
game directory
cl_menu/Makefile.am:
don't strip source paths
optoins.qc:
use InputLine object
def.c:
use notice to show stray temps
emit.c:
make sure expression args get emitted for function calls
expr.c:
'C' is a cast
rewrite cast_expr to handle casted pointere derefs
