Added failure rate script. Thanks @cosmin-malutan, changed the pr quite a bit.
Rename file
Add an enddate argument, changed the Mac OSX 10.9.4 > 10.9.5, added the withe-listed locales, update branches-tags
Slight cleanup
Small fixes
Merge pull request #3 from cosmin-malutan/update

Small fixes
Remove 'zu'
Replace js-JP-mac with ja
Fix date issues