Docs update for MooreAnalysis!122 and MooreAnalysis!118
Goes with Rec!3415 (merged), Analysis!985 (merged) and MooreAnalysis!122 (merged)
Also makes a few changes to HltEfficiencyChecker examples in the tutorial following MooreAnalysis!118 (merged) and fix a few warnings I came across in the doc build for this tutorial.
Edited by Ross John Hunter