added Foerstner and Rohr corner detectors
added Foerstner and Rohr corner detectors

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