Switch the platform statement to platform_family

darwin -> mac_os_x
Change tabs to spaces to fix formatting
Add oracle and mac_os_x_server as supported platforms
Add chef/ohai requirement to the readme
Change OS X attribute selection to platform_family as well

This allows this recipe to work on mac_os_x_server platforms
Merge pull request #13 from tas50/COOK-2272

Cook 2272: Use platform_family throughout to add Oracle Linux and Mac OS X Server support
update test-kitchen dep
release v1.3.4
better constrain non 1.0 test-kitchen dep
[COOK-2505] split monolithic default recipe up

Create a platform-specific recipe for each platform family. This will
make it easier to add future platforms and make the cookbook easier to
maintain!
[COOK-2505] ensure GCC 4 is available on older pre-6 EL
[COOK-2505] add `solaris2` platform family support
Updated test-kitchen 1.0 support

* Requires Vagrant 1.1, test-kitchen 1.0.0.alpha.2
* Removes Vagrantfile (now handled by kitchen-vagrant 0.7.4+)
* Remove Gemfile (no more Bundler \o/)
* Add TESTING.md doc
Merge pull request #14 from opscode-cookbooks/COOK-2505

COOK-2505 - backport Omnibus builder improvements