Changed dominated set interface to use measure URIs, added crude output to KBrowser for, added rankchanging algorithm for #112
Changed DominatedSetCalculator class structure, Improved Dominated set GUI for #112

* DominatedSets is now abstract and implements the building the sets
* Improved/Unified building sets of winning algorithm to exclude shorter subsets
* Comparison algorithms now implemented in subclasses of DominatedSets
* Winning algorithm compares difference to winner instead of smallest difference
* Added aggregation