Alter dis script

Added ebeam and pbeam so that they can be grabbed from the config file

added 8 commits

• 6616acd4...27efeb40 - 4 commits from branch master
• 55c4bcf1 - Ongoing dis_electron Q2 analysis. An issue with Q2 being basically zero for the electrons.
• 7692192b - Changed the sorting function to report minimum momemta
• 847c5c3c - Updated functions. Still get negative Q2 that is a delta function near zero
• bccaddbc - added ebeam and pbeam to the config file

Compare with previous version

enabled an automatic merge when the pipeline for bccaddbc succeeds

merged