Merge pull request #58 from walmartlabs-wmusiphone/rx-integration

Rx integration
Enable modules by default.
Added a few module imports to ios-shared.h, and a little cleanup.
Make libResolv load automagically instead of requiring it to be added to the link steps.
Switched these objects to use modules to prevent frameworks from having to be added manually.
Added tests for libResolv load.
Added guards around the remote possibility that libResolv doesn't load or isn't present.
Dismiss modals if navigating for the global nav.
Merge branch 'master' of github.com:setdirection/ios-shared
Some tweaks to module inclusions.
Merge branch 'master' of github.com:setdirection/ios-shared
Put doug's fix back in for deleting when no text is in the field.  Got stomped in merge.