Use support-v4 DialogFragment class
Fixed javadocs
Add support for neutral button
Ignore autogenerated stuff
Change dimension name to prevent conflict with main project resources
Pass date/time data in onNeutralButtonPressed
Renamed NeutralButton -> AlternateAction
Allow 'done' button label customization
Do not lose alternate action on screen rotation
Do not lose customized done button label on screen rotation
prefix all resources with dtp_ to avoid naming collisions