Code cleanup
Introduced third report stub
Renamed report file; described graph implementation
Described cost function evaluation
Described memory
Described stop criteria
Described aspiration criteria
Described coloring validator
Described permutation lookup
Described tabu search implementation
Added memory size tests results
Described running application, started describing optimal tabu size research
Speed up the algorithm
Recomputed queen6_6 results
Another tabu size measurement added
Described optimal tabu size
Written remaining part of the report
Fixed small editing issue
Merge branch 'gis-report3'