Merge branch 'apearce-prtrackassociator-data-deps' into 'master'

Specify all required data dependencies to PrTrackAssociator

See merge request lhcb/Moore!211

Hlt/RecoConf/python/RecoConf/mcchecking.py

@@ -76,7 +76,8 @@ def make_links_tracks_mcparticles(
     return PrTrackAssociator(
         SingleContainer=InputTracks(),
         LinkerLocationID=LinkerLocationID(),
-        MCParticleLocation=mc_unpackers()["MCParticles"]).OutputLocation
+        MCParticleLocation=mc_unpackers()["MCParticles"],
+        MCVerticesInput=mc_unpackers()["MCVertices"]).OutputLocation
 
 
 @configurable