Update vagrant version to 1.6.3
Merge pull request #2 from robyoung/patch-1

Update vagrant version to 1.6.3
updated homebrew to new url
Update 51 can no longer be found
Merge pull request #3 from MagneDavidsen/patch-1

Update 51 can no longer be found
adding some extra playbooks
Merge branch 'master' of https://github.com/jayshao/ansible-osx