luci-0.12: branch for release

git-svn-id: http://svn.luci.subsignal.org/luci/branches/luci-0.12@10522 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
luci-0.12: merge r10529

git-svn-id: http://svn.luci.subsignal.org/luci/branches/luci-0.12@10530 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
openvpn: fix and enable openvpn application