changed code so that functions not available on cygwin are no longer used
changed code so that functions not available on cygwin are no longer used

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