Added new version of CommunicationValidator.java.
Fix CommunicationValidator.java for concrete 1.1.0
Added writing out of event spans for the Situations in a communication.
Added writing out of event spans for the Situations in a communication.
Fix error in merge
Added role_label to Situation.Argument, mirroring SituationMention.Argument
Added situation_kind_lemma to SituationMention, mirroring Situation
Merge pull request #28 from dkolas/master

Add event span functionality to JsonUtil