Add barman component
Merge pull request #327 from xen0l/oi/hipster

Add easy-rsa and some minor tweaks to tuntap and openvpn
Update mercurial to 2.8
Merge pull request #328 from pyhalov/mercurial

Update mercurial to 2.8
Merge pull request #329 from pyhalov/barman

Add barman component
COMPONENT_LICENSE can contain spaces
Merge pull request #330 from pyhalov/mercurial

COMPONENT_LICENSE can contain spaces
Bring node into oi-userland