* provide nose based unit test infrastructure (fixes#20)
* create unit tests for gnuviechadmin.util.passwordutils
* add password validation function to gnuviechadmin.util.passwordutils
(fixes#19)
* make new files PEP8 clean (addresses #18)
git-svn-id: file:///home/www/usr01/svn/gnuviechadmin/trunk@258 a67ec6bc-e5d5-0310-a910-815c51eb3124