added support for xcode 6.4
added support for xcode 6.4

crazypoo/Auto-Importer-for-Xcode,crazypoo/Auto-Importer-for-Xcode,citrusbyte/Auto-Importer-for-Xcode,yunzhongyoulong/Auto-Importer-for-Xcode,citrusbyte/Auto-Importer-for-Xcode,yunzhongyoulong/Auto-Importer-for-Xcode,yunzhongyoulong/Auto-Importer-for-Xcode,crazypoo/Auto-Importer-for-Xcode,citrusbyte/Auto-Importer-for-Xcode