Selenium 2.33.0 and Firefox 21
I haven't removed Firefox 19 since it used by as the DEFAULT_FIREFOX_VERSION(for both our grid and Saucelabs)
Merge pull request #104 from AlinT/firefox21andsel233

Selenium 2.33.0 and Firefox 21
Removed FF 19
Merge pull request #106 from AndreiH/removed_FF19

Removed FF 19
Merge remote-tracking branch 'origin/latest-version'
Merge pull request #108 from AndreiH/master

Latest version to master