linux backport

file exists system predicate
$source_file -> $user source
hide and make system preds
fix check_head_and_body
user_expansion never fails
goal expansion is controlled b dynamic procedure
add must_be_of_type predicate_indicator
fix neat_call, debug flag is user controlled
use simplecudd, not ptoblogbdd
compile all of myddas
fx junk in file_name
fix warnings
use common file opening struct and funds
avoid pairs module
fix db queues

packages/myddas/postgres/myddas_wkb2prolog.h

@@ -0,0 +1,6 @@
+#ifndef   	MYDDAS_WKB2PROLOG_H_
+# define   	MYDDAS_WKB2PROLOG_H_
+
+Term wkb2prolog(char *wkb) ;
+
+#endif 	    /* !MYDDAS_WKB2PROLOG_H_ */