gentoo-amd64 - always get latest stage3, bump kernel version, use emerge-webrsync for first sync, workaround for autofs bug
gentoo-i686 - always get latest stage3, bump kernel version, use emerge-webrsync for first sync, workaround for autofs bug
Merge pull request #635 from davidmmiller/master

fixes for Gentoo amd64 and i686
Extend documentation and tweak Gemfile for windows use
Merge pull request #636 from dgfitch/master

Minor tweaks to documentation and Gemfile to get windows users rolling from source quicker