Make guile test suite default to scm api

In other words guilescm becomes guile.
Deprecated gh api tests are moved to guilegh.

Examples/test-suite/guile/guile_ext_test_runme.scm

@@ -0,0 +1,19 @@
+(dynamic-call "scm_init_guile_ext_test_module" (dynamic-link "./libguile_ext_test.so"))
+
+; This is a test for SF Bug 1573892
+; If IsPointer is called before TypeQuery, the test-is-pointer will fail
+; (i.e if the bottom two lines were moved to the top, the old code would succeed)
+; only a problem when is-pointer is called first
+
+(define a (new-A))
+
+(if (not (test-is-pointer a))
+  (error "test-is-pointer failed!"))
+
+(if (test-is-pointer 5)
+  (error "test-is-pointer thinks 5 is a pointer!"))
+
+(define b (test-create))
+(A-hello b)
+
+(exit 0)