Fix some broken tests. Upgrade many tests to junit 4.
change ttt default options
Move to gradle 1.8.
remove @Overrides on interface method overrides (for java 1.7)
Remove copyright from help dialog.
fix some broken searchable tests.
add some bestMoveFinder tests.
Move config classes down into their own package.
Close game dialog after running matches.
refactor out PerformanceResultsBuilder.
Use gradle wrapper.