Upgrade to GAE 1.9.1.
Extends failed tests exploration to ignored tests
Change way to detect if there is no ignored test information
Style fix.
Test if ImageService.getServingUrl returns the same URL for a given BlobKey every time it is called
Fix calls to QueryTestBase.assertSet (actual and expected were inverted)
Add a range slider to zoom on build history
fix tooltip displaying 'fails' even on ignored tests
Upgrade ARQ.
Remove ExpectedException usage.
Add initial cron test.