added relational operators for autodiff::DualVector
added relational operators for autodiff::DualVector

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