DavidBurns bumping the Firefox Extension version support so we can support Firefefox 6
DavidBurns bumping the Firefox Extension version support so we can support Firefefox 6

r13266

krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate