(QENG-596) beaker-rspec dying on minitest dependency

- pin minitest to 4.0
- update beaker pin to newest release of 1.10.0
Merge pull request #33 from anodelman/pin-beaker-minitest

(QENG-596) beaker-rspec dying on minitest dependency
Merge pull request #34 from anodelman/make-gem

create beaker-rspec 2.2.3 gem
(QENG-657) Update specinfra and serverspec deps to be ~>1.0
Merge pull request #36 from hunner/fix_specinfra_deps

(QENG-657) Update specinfra and serverspec deps to be ~>1.0
create beaker-rspec 2.2.4 gem