added elliptic integrals
added elliptic integrals

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