Bug 983653 - UITour: Make the highlight effect a circle on the bookmarks combo button. ui-r=shorlander, r=MattN
Bug 981258 - Set the breakpoints in browser_dbg_breakpoints-break-on-last-line-of-script-on-reload.js before executng the IIFE so that the IIFE's Debugger.Script can't be GC'd before the breakpoints are set; r=past
Bug 942270 - Refactor context menu code. r=bnicholson
Bug 981637:  Make overflow events fire correctly in UpdateOverflow codepath.  r=mats

I confirmed that the mochitest fails without the patch and passes with
it, both standalone and in the directory harness.
Bug 983558 - Test for return type when inlining ForkJoinGetSlice. (r=nmatsakis)
Bug 984063 - bail out of ion/bug977674.js when parallel isn't defined instead of making mozilla-aurora permaorange
Bug 981362 - Bail out of parallel/bug976889.js when parallel is not defined, rather than making aurora permaorange
Merge m-c to m-i
Merge b-i to m-c
Merge f-t to m-c