Bug 964462 - Simplify IPC offline resource refcounting. r=mayhemer, a=sledru
Bug 946929 - Part 1: Don't schedule paint related events in a detached pres context. r=roc, a=sledru
Bug 946929 - Part 2: Disable painting for the shell while the child views are detached. r=roc, a=sledru
Bug 963324 - Import mismatch menclose reftests from the MathJax testsuite. r=karlt, a=test-only