Added eccentricity python bindings for 3D volumes.
Added eccentricity python bindings for 3D volumes.

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