Some fixes for the QA train:

Some fixes for the QA train:

- Event inspector writes run number to histogram file
- ForwardQA task does a little debugging - if enabled
- Energy fitter now produces another histogram with number
  of available, empty, low statistics, candidate, and
  actually fitted energy loss spectra
- Script to add task sets up output container in "trending.root"
- Sharing filter has more information in the output
- MC event inspector updated to fit interface
- Clean-up in ForwardAODConfig.C
- (Shell) script to get output of QA train