Bug 885471 - Fix software button manager default behavior on real
device/nightly/simulator, and add holdhome event.
Bug 882994 - [email] UI: Replace sync progress bar (including candy bar) / messages spinner with single spinning refresh button. r=jrburke

This is both a performance win (animations chew CPU, especially the candybar)
and a UX win since it gets rid of the confusing determinate progress bar
status.
Merge pull request #10407 from asutherland/email-progress-spinner

Bug 882994 - [email] UI: Replace sync progress bar (including candy bar) / messages spinner with single spinning refresh button. r=jrburke
Merge pull request #10525 from alivedise/bugzilla/885473_master_v2/software-button-pressed

Bug 885471 - 1. Fix software button manager on real device and nightly and simulator; 2. Add holdhome event. r=timdream
Bug 883616 - Bug 882607 resolution introduced a XSS vulnerability r=gnarf

Carefully escape the body before injecting it into the document
Added some tests to ensure this for both SMS and MMS.
Merge branch 'master' of https://github.com/mozilla-b2g/gaia into gh-pages
Updated latest shared/style folders