Bug 983709 - Simple branch patch for uplift. r=hv1989, a=sledru
Bug 986864. r=sfink, a=sledru
Bug 966424 - Intermittent browser_bug765105_background_image_tooltip.js. r=jwalker, a=lsblakk
Bug 990368 - [B2G][MMS][DSDS] Feedback NonActiveSimError if send an MMS with non active SIM selected. r=vyang, a=1.4+
Bug 990368 - Add corresponding test case to verify error cases in sending MMS. r=vyang, a=1.4+