refactored MoveX and MoveY out of ImageIteratorBase refactored ImageIteratorBase so that it can apply a horizontal stride added StridedImageIterator and ConstStridedImageIterator and corresponding traits
refactored MoveX and MoveY out of ImageIteratorBase
refactored ImageIteratorBase so that it can apply a horizontal stride
added StridedImageIterator and ConstStridedImageIterator and corresponding traits

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