add delayedStandAloneMuons to SA muon reco
changed to displaced rather than delayed, added s to seed collection in EventContent
added the segments to the seeds
remove vertex constraint and remove empty UpdatedAtVtx collection
added validation for displacedMuons and their seeds
change ForcePointDown to tracked and use existsAs
Merge pull request #5178 from jalimena/delayedStandAloneMuons72X_20140904

add delayedStandAloneMuons to SA muon reco