create beaker-rspec 2.2.0 gem
create beaker-rspec 2.2.0 gem

- add support for BEAKER_*name* env var format

anodelman/beaker-rspec,electrical/beaker-rspec,rooprob/beaker-rspec,mcanevet/beaker-rspec,petems/beaker-rspec-windows,puppetlabs/beaker-rspec