added a correlationFFT prototype and calling functions according to the convolveFFT environment.
added a correlationFFT prototype and calling functions according to the convolveFFT environment.

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