add patch url options to dev script
added vagrant config and readme
Merge pull request #146 from hughsaunders/vagrant

Merged automatically by jenkins after successful gate test
now with more interfaces for nova machines
Merge pull request #147 from hughsaunders/vagrant

Merged automatically by jenkins after successful gate test
Merge branch 'apply_patch' of github.com:hughsaunders/opencenter-install-scripts into apply_patch
add missing then, improve wording
update help message
add some output for patching
Merge pull request #148 from hughsaunders/apply_patch

Merged automatically by jenkins after successful gate test