Bug 875545 - Make Telephony.h/cpp to use EventListenerAdded/Removed, r=bz

--HG--
rename : content/media/webaudio/test/test_audioParamSetCurveAtTimeZeroDuration.html => content/media/webaudio/test/test_audioParamSetCurveAtTime.html
rename : mobile/android/base/Prompt.java => mobile/android/base/PromptService.java
extra : rebase_source : fcd1f9bbecc8f9025ea0f27274d0f31d745bcf39
Bug 875037 - Fix lots of bugs in nsStyleSVG/nsSVGStyleReset::CalcDifference so that they return the correct hints. r=roc
Bug 854765 - Get rid of the DidSetStyleContext overrides in SVG frame code to avoid some major perf hits. r=roc