[MDOAP-40]
 - Upgrade scm to 1.9.1.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1620387 13f79535-47bb-0310-9956-ffa450edef68
[MINSTALL-108]
 - Added IT to proove the problem exists.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1620409 13f79535-47bb-0310-9956-ffa450edef68
revert mavenSession removel, since it is causing failure

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1620485 13f79535-47bb-0310-9956-ffa450edef68