Add DisputedHeuristic and its test.
Add support for setProperty()
Merge in changes from master
Add property setting for neighborhood
Merge branch 'master' into disputed_heur

Conflicts:
	src/orego/ui/Orego.java
Set up experiment for testing highest good maxVacancies
* src/orego/experiment/ExperimentConfiguration.java:
Merge branch 'master' into new_disp_heur

Conflicts:
	src/orego/experiment/ExperimentConfiguration.java
Made changes to Disputed Heuristic so that it works with the new changes in coordinates
Set up experiment for Disputed Heuristic
Changed games to 480 in experiment config
Merge branch 'new_disp_heur' into ladder_branch2

Conflicts:
	src/orego/experiment/ExperimentConfiguration.java