Fixes #21: mvn versions:update-properties versions:use-latest-releases (joda-beans, joda-money, guava)

[INFO] Updated ${org.joda.joda-beans.version} from 0.6 to 0.6.2
[INFO] Updated ${org.joda.joda-money.version} from 0.6 to 0.7
[INFO] Updated ${guava.version} from 14.0-rc1 to 14.0-rc2