added the option to specify a provider for vagrant up
added provider option to the vagrant task
Added VMware and VBox package builders
Add integration test target
Merge branch 'box-package-builders' into 53428-add-basebox-creation
Provider is now a ctor variable

This was needed because we are going to need to choose the correct packager based on the provider and the provisioner cannot be changed between 'up' and another call like 'halt'
Added naive vagrant.package() implementation
Extracted base box builder factory class from method
Removed Mocha development dependency

Cleaned up tests to use rspec mocks
Upped gem version to 0.0.7
Vagrant rake task will now optionally package a vagrant box
Added configurable timeout and retry values to rake task
Merge pull request #4 from daptiv/53428-add-basebox-creation

53428 add basebox creation