Define positive versions of 'no-thunks', 'no-source-maps' options

hybrid_server/classes/mvkcontroller.xml

@@ -28,8 +28,12 @@
                     self.mvk.jit.set_jit_enabled(False)
                 elif opt == 'no-thunks':
                     self.mvk.jit.enable_thunks(False)
+                elif opt == 'thunks':
+                    self.mvk.jit.enable_thunks()
                 elif opt == 'no-source-maps':
                     self.mvk.jit.enable_source_maps(False)
+                elif opt == 'source-maps':
+                    self.mvk.jit.enable_source_maps()
                 elif opt == 'trace':
                     self.mvk.jit.enable_tracing()
                 elif opt == 'fast-jit':