Merge pull request #191 from ffrensch/master

adjusted to separated bbb tresholds for channels
restored proper behaviour for SM pvalue plotting -- added soem comments on what is actually done in the MSSM case to make the codee less cryptic ;-)...
Merge pull request #192 from roger-wolf/master

restored proper behaviour for SM pvalue plotting -- added soem comments ...
fixed likelihood-scans. The deltaNLL now are shifted by the minimum