tagging B2G_1_2 for mergeday. r=a=mergeday. DONTBUILD
No bug, Automated HSTS preload list update from host bld-linux64-ix-036 - a=hsts-update
Bug 966311 - Calculate frame size for stereo wave. r=doublec, a=1.2.x+

We were assuming 8-bit WAVE files were mono-only, but this is
not necessarily the case.
Bug 957621 - Disable test_bug570378-* on b2g desktop for frequent failures which kill the run. a=test-only
Bug 850721 - Fix social blocklist oranges by not enabling the default update server. r=mixedpuppy, a=test-only
Backed out changeset 2673f348598c (bug 850721) for mochitest-bc timeouts. a=backout
DONTBUILD
Bug 964462 - Simplify IPC offline resource refcounting. r=mayhemer, a=1.2.x+
Bug 963324 - Import mismatch menclose reftests from the MathJax testsuite. r=karlt, a=test-only
Bug 960145 - IonMonkey: Don't ignore OSR-like values when computing phi ranges. r=mrosenberg, a=1.2.x+
No bug, Automated HSTS preload list update from host bld-linux64-spot-373 - a=hsts-update
Bug 965982. r=bent, a=1.2.x+
Bug 541855 - Add in the error tolerance before calling the timing function, so that we allow more error for steeper functions, and less error for most. r=dholbert, a=test-only
Bug 971285 - Fix intermittent failure in smil/anim-path-d-01.svg. r=dholbert, a=test-only
Bug 972622 - MakeCurrent during WebGL.compressedTex(Sub)Image2D(). r=kamidphish, a=bajaj
Bug 873661 - Wait both browserloadend and process-created event. r=fabrice, a=test-only
Bug 971651 - Keyboard Should only send key press events to the webpage that uses the keyboard. r=yxl, a=1.2.x+
Bug 967341 - URI management. r=honzab, a=1.2.x+
Bug 966322 - Work around bug 916387. a=test-only
Bug 970290 - Wait "testready" instead of "load" event. r=fabrice, a=test-only
Backed out changeset d809af26b278 (bug 971651) for Gaia UI test bustage (depends on a feature that doesn't exist in this branch). a=backout