Integration of area selection to the diagram works.

- The map return the proper values, and set them properly in the Cache.
- A bit discusting to parse Sequence of JSArray from the input from the area
selection, but works.
Merge branch 'master' of https://github.com/TweetAggregator/TweetAggregator

Conflicts:
	app/controllers/setup/Map.scala
	public/javascripts/tweetagg.js
Merge branch 'master' of https://github.com/TweetAggregator/TweetAggregator