JariBakken: Bump gem version to 2.9.1 to work around issue 2695.
JariBakken: Bump gem version to 2.9.1 to work around issue 2695.

git-svn-id: aa1aa1384423cb28c2b1e29129bb3a91de1d9196@14315 07704840-8298-11de-bf8c-fd130f914ac9

jmt4/Selenium2,jmt4/Selenium2,jmt4/Selenium2,yumingjuan/selenium,jmt4/Selenium2,yumingjuan/selenium,jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2,jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2