Rename HttpResourceGroupFactory to RibbonResourceFactory.
Initial pass at Guicified RibbonResourceProvider
Merge with allen's fixes
Merge branch 'allenxwang-eran-di'
Replace RibbonResourceFactory with HttpResourceGroupFactory
Update to rxjava 0.19+
Merge branch 'master' of github.com:elandau/ribbon into eran-di
Rename HttpResourceGroupFactory to RibbonResourceFactory. Remove HttpRequestTemplateFactory. Move ClientConfigFactory to core. Revert the changes to toBlockingObservable().