fixes bug 856165 - x-frame-options for __history__, r=Pike
bug 863334, make android-multi show up by default, r=peterbe.
Let's focus this export on mobile, and make the first button press happen
by default
fixes bug 847474 - Runs that don't exist can cause a 500 error, r=Pike
fixes bug 867752 - don't cut off pushes in signoff view for just pending sign-offs, r=Pike