Make sure that the submodules are pulling from the right location.

Makefile

@@ -42,8 +42,8 @@ init:
 	@@echo "Grabbing external dependencies..."
 	@@git submodule init
 	@@git submodule update
-	@@cd src/sizzle && git pull
-	@@cd test/qunit && git pull
+	@@cd src/sizzle && git pull origin master
+	@@cd test/qunit && git pull origin master
 	@@git submodule update
 
 jquery: ${DIST_DIR} selector ${JQ}