[MRRESOURCES-78] Upgrade maven-plugin-testing-harness to 1.3
 - Fixed integration tests which had not been running.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639962 13f79535-47bb-0310-9956-ffa450edef68
[MRRESOURCES-77] Upgrade maven-filtering to 1.3


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639964 13f79535-47bb-0310-9956-ffa450edef68
[MRRESOURCES-79] Removed dependency plexus-container-default:1.0-alpha-9-stable-1


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639965 13f79535-47bb-0310-9956-ffa450edef68
[MRRESOURCES-80] Upgrade to maven-parent version 26
 - Fixed according checkstyle reported issues.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639967 13f79535-47bb-0310-9956-ffa450edef68