bug 851049 - GAIA_OPTIMIZE=1 for all b2g device builds.
Bug 852242 - Stop re-trying imaging pandas if the image is bad. r=aki
Bug 851382 - Dump the output of pip freeze after creating virtualenv
Bug 851573 - Update mozdevice calls that presently throw exceptions rather than returning status values, r=wlach
bug 852473 - pip install --no-index. r=armenzg
Added FENNEC_20_0b6_RELEASE FENNEC_20_0b6_BUILD1 tag(s) for changeset production. DONTBUILD CLOSED TREE a=release
Added FIREFOX_20_0b6_RELEASE FIREFOX_20_0b6_BUILD1 tag(s) for changeset production. DONTBUILD CLOSED TREE a=release
bug 843568 - puppetagain/data/ -> repos/. r=armenzg
bug 853036: use uppercase SHA512 in all snippets / balrog blobs. r=nthomas
bug 845908 - mozharness ci2. r=catlee
bug 853599 - no --no-index option for easy_install. r=jhammel
Backout bug 853036 for android because it dun broke.
Bug 852242 - Stop re-trying imaging pandas if the image is bad. r=aki
bug 853600 - fix b2g desktop compare-locales on windows. r=bhearsum
Merge remote-tracking branch 'origin/master' into vcs_conversion

Conflicts:
	mozharness/base/vcs/mercurial.py
	test/test_base_vcs_mercurial.py