WGo.js 2.01

#006 - added object Board.coordinates that renders coordinate labels
#005 - method WGo.Game.prototype.pushPosition now sets variable "turn"
according to position
#004 - (bugfix) method WGo.Board.prototype.redraw didn't redraw custom
layers
#003 - added method WGo.Position.prototype.compare for comparing
positions
#002 - (bugfix) parameter "size" of WGo.Position and WGo.Board
constructors could not be ommited
#001 - modified markers