Bug 637572 - Fix for Script-sourceStart-03.js CLOSED TREE
backout 7a1706d0e5b0  to 8c8b6adebb4c for frequent failures in scrolling/text-1.html and scrolling/text-2.html reftests on a CLOSED TREE
Bug 848317: ActionBar corruption on Nexus 4. [r=mfinkle]

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extra : rebase_source : fbc15eacb8aa66a9cdae52dd2c4ed4c81c427d58
Bug 869123: Quick share action for android menu. [r=wesj]

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extra : rebase_source : f5a3e15ab2de83a37c807a0c9ecf076bfe402524
Bug 776223 - Catch NullPointerException from Samsung's buggy clipboard API. r=blassey
Bug 876489 - Signaling fix ccprovider::getDigits r=jesup
Bug 876835 - fix python 2.6 failures due to assertIn, r=jgriffin