Added post-fit expected
Few additions/tweaks to signal model and result scripts

- Fixed parametrization of width systematic uncertainties
- Support for post-fit scans in combineHarvester
- Restore automatic h2gglobe path detection in makeCombinePlots
- Support for combineHarvester jobs in AnalysisScripts/check_fitter
Merge pull request #398 from musella/topic_datacard_and_plots

Added post-fit expected to combineHarvester