1.  DONE.  Clear out task list of previously entered PMD tasks when re-running PMD  ** Fixed
2.  DONE.  Modify to allow allow ruleset selection from a drop-down list that is populated from
the ruleset.properties file.  The user should still be allowed to type in a rule set as well.
3.  DONE.  Update to use PMD 1.03
4.  DONE.  Limit PMD to current project, instead of all.
5.  DONE.  Add progress monitor 
6.  DONE.  Update TODO.txt