Improved code to reduce the checkstyle reported warnings/errors.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1645331 13f79535-47bb-0310-9956-ffa450edef68
Cleaned up code to remove checkstyle reported warnings/errors.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1645339 13f79535-47bb-0310-9956-ffa450edef68
Set license name to Unnamed in dep report if no name has been provided and append comma if there is more than one license.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1645346 13f79535-47bb-0310-9956-ffa450edef68