Update Drupal core to 7.29, update contrib.

Change-Id: I7d8eabceb4b94eb297437d87e087bb17e49687ed
Merge pull request #70 from commerceguys/update-modules

Update Drupal core to 7.29, update contrib.
Update Drupal core to 7.30

Change-Id: Id9b392cc9e1cc43751cc49f0649036c445a8828a
Merge pull request #72 from commerceguys/update-core

Update Drupal core to 7.30
Testing upgrades from 2.15 and 2.16.
Test if features are overridden after install
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