Fix for git credentials containing an '=' sign

Thanks @dbussink
Merge pull request #628 from boxen/args-may-contain-equals

Fix for git credentials containing an '=' sign
updated to latest dependencies
update ruby stuff
Merge pull request #633 from boxen/update-deps

Update Puppet and Ruby dependencies
Upgrade gcc package to 2.1.1

Fixes #637
update librarian-puppet
update Puppet dependencies
Merge pull request #639 from boxen/update-librarian-puppet-and-puppet-git

Update librarian puppet and puppet git
Added virtualbox,vagrant,leiningen,clisp and haskell.
Set global ruby version to 2.0.0.