[MENFORCER-153] Use Mock Repository Manager for ITs 

git-svn-id: https://svn.apache.org/repos/asf/maven/enforcer/trunk@1491020 13f79535-47bb-0310-9956-ffa450edef68
[MENFORCER-134] Require Upper Bound Dependencies and matching Snapshot Dependencies 

git-svn-id: https://svn.apache.org/repos/asf/maven/enforcer/trunk@1491049 13f79535-47bb-0310-9956-ffa450edef68