player 1 can be ai + fixes

player 1 settings added, player 1 can be ai.
ai names are editable, but get set to a default when chosen in the settingsbox.
there where still problems with the timer, disconnecting the signals
works fine.
random starting player fixed, wasn't working right.
added dialogbox to game finished, to have players get a look on the
field, was cleared to fast.
made some qDebugs to comments to clear output.
added Signal for gamestart to add names to ui at gamestart.