Build: Add migrateWarn and migrateWarnProp to .jshintrc

Close gh-63

Author: mgol

src/.jshintrc

@@ -20,6 +20,9 @@
 	"globals": {
 		"jQuery": true,
 		"define": true,
-		"module": true
+		"module": true,
+
+		"migrateWarn": true,
+		"migrateWarnProp": true
 	}
 }