added external libs contorlp5 + geonames
uncomment geonames examples
Added data/ as source folder in the eclipse-template-with-examples
Added and updated examples for the Processing distribution.
Added MIT license.
Zip file for Processing is now wrapped in another directory

Wrapped Unfolding.zip again in Unfolding-for-processing.zip, so users
can easily install it by copying the unzipped directory. Closes #27
Made createMarker(Feature) in MarkerFactory public.
Add convenient methods map.addMarker(Marker)
Switched from log4j to println

Related to #34
Added javadoc to map snapshot examples.
Added centroid tests.

Created some apps to interactively set locations and calculate centroid
with different algorithms. New getCentroidOfPolygon calculates it
correctly, but needs to be cleaned up and added to GeoUtils. Related to
#47
Added getCentroidFromFeatures() (still old algorithm)
Updated getCentroid to calculate correct polygon center. Closes #47.
Updated getCentroid to optionally calculate the centroid of the largest feature for MultiFeature.
Updated mapChanged method handling to allow implementing method without MapEvent param.
Added tilesLoaded method handling. When all tiles have been loaded an optional tilesLoaded() method in the client app is called.
Added createMouseEventDispatcher for creating an dispatcher for only mouse events.
Added getProperty and getStringProperty to Marker for easier access to single properties. (as in Feature)
Added GeoRssReader.loadDataGeoRss(..) to load georss:points incl. some typical data elements.
Added example for the tilesLoaded listener method.