Plan of Action - Get Started!

re-write of :
- https://github.com/ArtSabintsev/Harpy
- https://github.com/ArtSabintsev/Siren
- Possibly https://github.com/eggheadgames/Siren
## version 1:
#### Perform Version Check:
- Given an itunes bundle id _e.g._ `com.fandor.movies`
- Retrieve JSON data from server _e.g._ `https://itunes.apple.com/lookup?bundleId=com.fandor.movies`
- assure results count 1, and grab `results[0].version`
- If new version prompt user (skip/upgrade)
- On upgrade open link to app store - https://itunes.apple.com/app/id474930762
## version 2:
- Allow messages in native languages
- Allow different alert types (3 types by Siren)