more Configuration updates

* switch back to master
* add repeated use of weak

 Submodule changes to be committed:

 * Configurations 4b0bf1a...f89613e (4):
   > Merge pull request #7 from diederich/Xcode5Warnings
   > Merge pull request #6 from jspahrsummers/test
   > Inherit Debug settings in Test
   > added Test configuration