introduced VIGRA_SINGLE_THREADED preprocessor flag
introduced VIGRA_SINGLE_THREADED preprocessor flag

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