Merge pull request #48 from anodelman/fix-vagrant

(QE-204) allow for use of local vagrant file when using --no-provision
Merge pull request #51 from anodelman/vagrant-error-out

(QE-451) stop run when vagrant commands fail
Merge pull request #56 from anodelman/facter-shortcut

(QE-364) have beaker 'chomp' stdout from execution result
Merge pull request #67 from anodelman/add-version

(QE-502) beaker should support --version
Merge pull request #70 from anodelman/silence-test-unit

(QE-46) Beaker includes Test::Unit specific code
(QE-439) beaker is not catching rbvmomi exceptions when cleaning up vCloud VMs

- catch RbVmomi::VIM::ManagedObjectNotFound and handle appropriately