changed SSD update to use new sum and count
changed SSD update to use new sum and count

funkey/vigra,martinsch/vigra,kod3r/vigra,funkey/vigra,psteinb/vigra,DaveRichmond-/vigra,dagophil/vigra,mmuellner/vigra,psteinb/vigra,stuarteberg/vigra,hmeine/vigra,hmeine/vigra,xiwei-zhang/vigra,hmeine/vigra,martinsch/vigra,funkey/vigra,kod3r/vigra,xiwei-zhang/vigra,kod3r/vigra,capturePointer/vigra,hmeine/vigra,mmuellner/vigra,xiwei-zhang/vigra,psteinb/vigra,stuarteberg/vigra,psteinb/vigra,dstoe/vigra,dstoe/vigra,mmuellner/vigra,cha007/vigra,hmeine/vigra,dagophil/vigra,stuarteberg/vigra,dstoe/vigra,psteinb/vigra,mmuellner/vigra,cha007/vigra,dstoe/vigra,martinsch/vigra,DaveRichmond-/vigra,timoMa/vigra,DaveRichmond-/vigra,timoMa/vigra,dagophil/vigra,xiwei-zhang/vigra,ThomasWalter/vigra,dstoe/vigra,cha007/vigra,timoMa/vigra,capturePointer/vigra,hmeine/vigra,dstoe/vigra,xiwei-zhang/vigra,kod3r/vigra,dagophil/vigra,capturePointer/vigra,timoMa/vigra,funkey/vigra,dagophil/vigra,cha007/vigra,cha007/vigra,psteinb/vigra,DaveRichmond-/vigra,xiwei-zhang/vigra,funkey/vigra,stuarteberg/vigra,martinsch/vigra,stuarteberg/vigra,kod3r/vigra,funkey/vigra,psteinb/vigra,timoMa/vigra,timoMa/vigra,mmuellner/vigra,capturePointer/vigra,hmeine/vigra,DaveRichmond-/vigra,capturePointer/vigra,DaveRichmond-/vigra,capturePointer/vigra,ThomasWalter/vigra,martinsch/vigra,ThomasWalter/vigra,mmuellner/vigra,xiwei-zhang/vigra,kod3r/vigra,cha007/vigra,ThomasWalter/vigra,ThomasWalter/vigra,stuarteberg/vigra,kod3r/vigra,mmuellner/vigra,DaveRichmond-/vigra,capturePointer/vigra,dagophil/vigra,stuarteberg/vigra,ThomasWalter/vigra,dagophil/vigra,timoMa/vigra,ThomasWalter/vigra,funkey/vigra,dstoe/vigra,martinsch/vigra,cha007/vigra