Merge pull request #247 from rcaspart/master

Fix for negativ entries after horizontal morphing
adding new colours
update legend text
Merge pull request #248 from ajgilbert/postfit-plots

Postfit plots
fixed a typo in the configruation for vhtt
reworked plotting macro for best fit value, it now displayes the mu-values
expanded vhtt massrange to 90-145
second change to allow vhtt for 90-145 GeV