GWTII-133 Create extra method for creation of map presenter that also haves MapInitializationHandler as parameter
  GWTII-133 since declaration
  GWTII-133 change java doc
  GWTII-133 add init handler before map init
  GWTII-133 getMapPresenter method added to MapInitializationEvent, Javadoc
Merge pull request #14 from geomajas/GWTII-133

  GWTII-133 Define extra method for creation of map presenter