Merge pull request #8 from caktux/master

zip and upload AlethZero.app and Third.app
windows artifacts
Merge pull request #9 from caktux/master

update serpent-go version
Merge branch 'master' of https://github.com/Cpt-Obvious/ethereum-buildbot
always update devel version and update stable version and revision when successful
Merge branch 'master' of https://github.com/Cpt-Obvious/ethereum-buildbot