Bug 1032978 - Added event_group, chunkNum and chunkTotal to build properties in process/release.py, r=bhearsum

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extra : amend_source : ff59acb8fbe306aa042efd7551c117215c6e9479
Bug 1049099 Thunderbird Linux and Mac MozMill builders are using the system python. r=nthomas
bug 1049595: cope with signing server transition in buildbot configs. r=rail/catlee
Bug 1050109 - stop jobs from hg'n mozharness/tools repos, r=catlee
Bug 1055777 - enable spot instances for some release builders. r=bhearsum
backouts bug: 1050109 - rev: 0a3906d2bffe
merges backout 0a3906d2bffe -> default
Bug 1019919 - android single locale central/aurora nightlies not reporting to balrog r=bhearsum
Backout bug 1032978 (changeset 444c451ec9be),r=Sylvestre
bug 1052412: tracking bug for build and release of Firefox and Fennec 32.0 - stopgap patches for beta -> RC partial generation. r=bhearsum
Bug 1056787: support for job skipping scheduler r=bhearsum
bug 1058222: bump max token age on signing servers + clients. r=catlee
Bug 1058275 - Adjust Thunderbird MozMill test installation to be able to install mozbase. r=Callek
Bug 1056787: Cleanup unused scheduler r=bhearsum
Bug 1048322 - Include commit messages in Try submission emails. r=catlee
Bug 1059511 Separate mozillaDir from mozillaSrcDir. r=nthomas
Follow-up to bug 1059511, mozillaSrcDir doesn't need a period at the start. r=coop over irc
Bug 1055305, add more abbreviations for builder names, r=catlee
Bug 1059511 Symlink the tools directory if the mozilla_srcdir or mozilladir is specified for repacks. r=nthomas
Finish addressing review comments for - Bug 1059511 Symlink the tools directory if the mozilla_srcdir or mozilladir is specified for repacks - r=nthomas