[MWAR-322]
 - Removed plexus-container-dependency:1.0-alpha-9-stable-1
   dependency.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1628835 13f79535-47bb-0310-9956-ffa450edef68
[MWAR-323]
 - Upgraded xtream from 1.4.2 to 1.4.4 to remove note
   about XSTR-709


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1628837 13f79535-47bb-0310-9956-ffa450edef68
- Removed unused imports
- Refactored code to remove CPD warning in DependenciesAnalysisPackagingTask


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1628839 13f79535-47bb-0310-9956-ffa450edef68