added tests for swapData(), coordinateToScanOrderIndex(), scanOrderIndexToCoordinate()
added tests for swapData(), coordinateToScanOrderIndex(), scanOrderIndexToCoordinate()

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