New plugin map for Ohai::System controller. Added and updated spec tests to reflect changes.
extend plugin dsl for ohai 7. separate plugin loading.
convert plugins to new dsl.
updated and added spec tests for new dsl
update spec tests for compat with new dsl
Merge pull request #166 from opscode/OHAI-9015

Introduction of new DSL for OHAI
remove debug gems
Common methods used for cross-platform tests
Added cross-platform data to python test
Added cross-platform data to erlang test
Fixed a relative path bug
Added cross-platform data to java test
Added cross-platform data to php test
Added cross-platform data to the linux/kernel test
removed debugging gems
Removed more debugging gems
added yaml to gemspec
Change from @ohai._require_plugin to @ohai.require_plugin to pass rake build
added cross platform data to perl spec
factored out per-spec RSpec into a helper method