Implemented the dithering functionality in the GP guider
Implemented the dithering functionality in the GP guider

simonct/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,simonct/phd2,simonct/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,simonct/phd2,simonct/phd2,OpenPHDGuiding/phd2,simonct/phd2,OpenPHDGuiding/phd2