changed arguments of srcIter() etc to const & to avoid ambibuity with the corresponding Diff2D-functions
changed arguments of srcIter() etc to const & to avoid ambibuity with the corresponding Diff2D-functions

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