AE: Copied MDQ_RunTime and created MDQ_DAQLivetime. Have done a search and replace of RunTime to DAQLivetime
AE: Modifying documentation and histogram and axis titles
AE: Adding MDQ_DAQLivetime to the MODULES file
AE: Filling the histogram with the gate length (currently assumed to be 110ms) and scaling by the duration of the run
Merge branch 'feature/AE_add_MDQ_DAQLivetime' into develop. AE: Solving issue #23