- constructor throws a more concrete WikiException (=FilterException)    - initialize() logs exceptions instead of calling .printStackTrace()
- constructor throws a more concrete WikiException (=FilterException)
  
- initialize() logs exceptions instead of calling .printStackTrace()

git-svn-id: 6c0206e3b9edd104850923da33ebd73b435d374d@1429579 13f79535-47bb-0310-9956-ffa450edef68

tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki