Minor optimization
Minor optiomizations
Code cleanup
Code cleanup
Board based on a single dimension array
GameData based on a single dimension array
Merge branch 'master' into minimal

Conflicts:
	core/src/main/java/vrampal/connectfour/core/data/GameData.java
	webjsp/src/test/selenium/vrampal/connectfour/selenium/SeleniumTesting.java