updated ebuild for gitlabhq 7.0.0 and added ebuild for gitlabhq 7.1.1, but BEWARE: v7.1.1 has NOT BEEN TESTED at all. so don't use it yet.
fixed patches for gitlabhq 7.1.1
changed required version of ruby from "ruby19 ruby20" to "ruby20 ruby21" for gitlabhq 7.0.0