changed qrDecomposition() to return false when the matrix hasn't full rank
changed qrDecomposition() to return false when the matrix hasn't full rank

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