add plugin namespacing, platform option to collect_data
modify system, loader for plugin naming
add spec tests for plugin namespacing
update loader spec for plugin namespacing
update system spec for plugin namespacing
consolidate hostname plugin
update plugin files
update runner spec for new DSL
fix linux/kernel spec
add #name method for plugins, error messages
automatically clear plugins and constants between tests
correct spelling of defined
make Ohai::OS a mixin (Ohai::Mixin::OS)
move dmi_common.rb to common folder
move dmi require into collect_data
remove @todo that was done
insert plugin documentation URL to v6 deprecation message
change :providers to :_providers to avoid attribute conflicts
actually make os a mixin and update corresponding files
update spec_helper, system_spec to Ohai::Mixin::OS