Added 'cache' for Jira results, in case there is a problem fetiching them from the server.
Added 2nd chance for gaiatest installation. Also I no longer remove the previosu versions of deps (I let gaiatest etc... handle it).
Don't show irrelevant rows for tests that weren't executed.
When checking for thumbnails, take a screenshot regardless of the result.
Merge pull request #103 from roydude/v1-train

V1 train