* Revert change that specified the version of bundler as the version on the CI box is different. * Update to allow later versions of jekyll
* Revert change that specified the version of bundler as the version on the CI box is different.
* Update to allow later versions of jekyll

git-svn-id: d8f3215415546ce936cf3b822120ca56e5ebeaa0@1148200 13f79535-47bb-0310-9956-ffa450edef68

liamchristopher/buildr,stewi2/buildr,apache/buildr,liamchristopher/buildr,jpcaruana/buildr,jpcaruana/buildr,mariusk/buildr-kawa,apache/buildr,jpcaruana/buildr,mariusk/buildr-kawa,apache/buildr,stewi2/buildr,mariusk/buildr-kawa,stewi2/buildr,stewi2/buildr,apache/buildr,liamchristopher/buildr,jpcaruana/buildr,liamchristopher/buildr