Reintroduce sources command line option for retrieving gecko and platform revisions
Merge pull request #3 from davehunt/sources

Bug 840793 - Reintroduce sources command line option for retrieving gecko and platform revisions
Bug 847953 - Don't reset the testsuite for every new metric we add
Bumped version number to 0.2.1
Fall back to the sources.xml file when retrieving the Gaia revision from the application.zip fails
Use the sources command line option in mozperf.py
Merging working changes from hg to git for scroll FPS perf
Getting the scroll fps running
Adding scrolling code and final js code
Add ability to do fps measurements while scrolling an app
Launch application using GaiaApps and switch to the application frame
Ensure we always disable the on-screen FPS
PEP8 fixes
Merging to top of mozilla repo