Add functions swap and filterColored
More work on colorGraph
Introduce CardAList datatype
Remove a fixme comment
Add function pruneColored
Add LocalSparkContext
Reimplement a test suite using LocalSparkContext
Reimplement BallDecompositionSpecRDD using LocalSparkContext
Remove logback.xml from project's root
Move all files related to the decomposition

The new location is out of the package diameter.