strip whitespace from npm version
add branch name to hgpoller default name. Fixes #2469

this allows multiple hgpoller for different branches of the same repo
Dockerfile: Fixes unmet dependencies
svnUriCanonicalize should never fail, even on invalid uris
Merge dvinella/buildbot:fix-hgpollername (PR #1208)
Merge pull request #1210 from nikolaik/master

Dockerfile: Fixes unmet dependencies