use more reliable download location for phantomjs

Author: vxsx

.travis.yml

@@ -22,7 +22,7 @@ env:
     # sauce labs access token
     - secure: CbPfysSncBB2Ue+VOtLDa8xJvwKl73nJO647zt/9UvZ/3PilnZN9aZv2jHxGvCiFXcez+2AddKptMCcx/5EW5UfRkrWUDHrfLCULU2TfOjmufEGM1eOIXhiAun8WQ85LBzTAYy1r9D514cbU3Yzn3xGZwJljPE8JE4cx3MNN/qQ=
     # temporary solution until https://github.com/ariya/phantomjs/issues/13953 is resolved
-    - PHANTOMJS_CDNURL=http://cnpmjs.org/downloads
+    - PHANTOMJS_CDNURL=https://s3.amazonaws.com/aldryn-local-assets
   matrix:
     - FRONTEND=1 UNIT=1
     - FRONTEND=1 LINT=1