initial support for test kitchen 1.0 alpha
add minitest, recipes for suites
move test cookbook up a dir, add to kitchen/berks
fixes for test kitchen 1.0 alpha support

* Use yum recipe directly on each suite to ensure providers are loaded
under chef-solo (related to
http://tickets.opscode.com/browse/CHEF-3376)
* Constrain berkshelf to 1.2.1 until vagrant 1.1 support is added
* corrected test cookbook name in its metadata
Merge branch 'tk-1.0-alpha'
[COOK-2643] - remove conditional attribute, use unless