This follow Bug 915158 - Allow setting a marionette runner host at runtime.
Re-add the performance reporter for Mocha.
Fix the screen unlock

Rename PerfApp to PerfTestApp.

Support entry point for launching apps.
introduce gaia-perf-marionette to perform the loop and only do npm once.
also skip profile building unless we run b2gdesktop

Less hackish
Really exit on excluded apps

We want to exclude these.
gjslint whitespace fixes