[MPMD-171] Rule properties are ignored when run under MPMD

Already fixed implicitly by a PMD upgrade. Unit test for this issue.

Contributed-by: Andreas Dangel

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1642534 13f79535-47bb-0310-9956-ffa450edef68
[MPMD-187] Report is generated even when skip is true

Contributed-by: Andreas Dangel, Ryan Heinen

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1642536 13f79535-47bb-0310-9956-ffa450edef68