Updating mvn plugin versions.

[Rod Widdowson]

This has now been done and this time jenkins did not complain

> I'll be doing this tomorrow morning.  Either then, or on Thursday I am
> hoping to update the following dependencies
> 
> ch.qos.logback:logback-classic ...................... 1.0.11 -> 1.0.13
> com.beust:jcommander .................................... 1.30 -> 1.32
> com.google.code.findbugs:jsr305 ....................... 1.3.9 -> 2.0.2
> com.unboundid:unboundid-ldapsdk ....................... 2.3.1 -> 2.3.4
> commons-codec:commons-codec ............................... 1.7 -> 1.8
> joda-time:joda-time ....................................... 2.2 -> 2.3
> org.glassfish:javax.json .............................. 1.0.2 -> 1.0.3
> org.mockito:mockito-all ............................... 1.9.0 -> 1.9.5
> 
> (as per JPAR-38)