added row iterator and column iterator to image iterators added STL-style typedefs improved IteratorTraits
added row iterator and column iterator to image iterators
added STL-style typedefs
improved IteratorTraits

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