Build requires git
Merge branch 'master' of github.com:tcolgate/godinstall
Extra build deps

ca-certs and mercurial are needed for the godep install
Deal with binary name

Go will build a binary based on the directory name. We
cope with that.and rename to plain godinstall
Merge branch 'master' of github.com:tcolgate/godinstall
Fix some lintian issues