Fixes #48: mvn versions:update-properties versions:use-latest-releases (joda-time, joda-beans, joda-convert, failsafe, surefire, plexus-utils)

[INFO] Updated ${joda-time.joda-time.version} from 2.2 to 2.3
[INFO] Updated ${org.joda.joda-beans.version} from 0.7 to 0.7.1
[INFO] Updated ${maven-failsafe-plugin.version} from 2.15 to 2.16
[INFO] Updated ${maven-surefire-plugin.version} from 2.15 to 2.16
[INFO] Updated ${org.joda.joda-convert.version} from 1.3.1 to 1.4
[INFO] Updated org.codehaus.plexus:plexus-utils:jar:3.0.10 to version 3.0.15