[xo] updating documentation.
Revert license file to their default - full license text, at readmi only
appling to current project.
[Player] add new enum - player type that descripe type of player.
Update TestPlayer.
ChroniclerTest now cover more with not null filed.
Formating code.
Update readme.
Added tag Human2Human game ready for changeset eacade47b6cd
[AiPlayer] added new player type.
During to static playground some tests could not be present (so commented in
this commit).
Cell method makeMove renamed to the setFigure.