Updating pom guava version to be compliant with the version used by Janus 18.0.0
Updating pom guava version to be compliant with the version used by Janus 18.0.0

sarl/sarl,sarl/sarl,sarl/sarl,jgfoster/sarl,jgfoster/sarl,jgfoster/sarl,jgfoster/sarl,sarl/sarl,sarl/sarl,sarl/sarl