fixed and improved timing.hxx (introduced USE_NESTED_TICTOC and removed obsolete MULTI_TICTOC)
fixed and improved timing.hxx (introduced USE_NESTED_TICTOC and removed obsolete MULTI_TICTOC)

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