Don't fail on clean when the versionInfo.properties does not exist
Don't fail on clean when the versionInfo.properties does not exist

Signed-off-by: Oleg Nenashev <4ee7d312f1006a91e3e4abf62d17d00b82d791a2@gmail.com>

KamranMackey/ircbot,oleg-nenashev/ircbot,daniel-beck/ircbot,jenkins-infra/ircbot