SauceLabs: Add browsers to the matrix

- Bump the OSX version so Safari 7 will be used
- Add OSX FireFox
- Add additional IE versions
SauceLabs: Test additional recording configs
Travis: Don't repeat the failed SauceLabs tests
SauceLabs: Add better testname from Git
Temporarily exclude sauce testing in IE until test are fixed
Merge pull request #5882 from wet-boew/saucelabs-browser-matrix

Saucelabs browser matrix