Add Viewer method
added final touches.
Merge branch 'master' of https://github.com/davidckim/RadLibs
Merge branch 'master' of https://github.com/davidckim/RadLibs into controller
Merge branch 'master' of https://github.com/davidckim/RadLibs into Viewer
Add Viewer
Merge pull request #2 from davidckim/Viewer

Viewer
Merge branch 'master' of https://github.com/davidckim/RadLibs into controller
complete mvp kind of