- a forward declaration of the Options class is not enough, since it's used   in some template functions (newer GCCs complain)
- a forward declaration of the Options class is not enough, since it's used
  in some template functions (newer GCCs complain)

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