move marpa_g_rule_is_*() to group testing: t-
move marpa_g_rule_is_*() to group testing: t-

jeffreykegler/kollos,jeffreykegler/libmarpa,jeffreykegler/kollos,pczarn/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/libmarpa,jeffreykegler/libmarpa,jeffreykegler/kollos,pczarn/kollos,jeffreykegler/kollos,pczarn/kollos,pczarn/kollos,jeffreykegler/libmarpa