- uses org.apache.wiki.api.exceptions.WikiException

- Acl#entries() returns a typed Enumeration of AclEntry (AclImlp was already doing this internally)

- AclEntry#permissions() returns a typed Enumeration of Permission (AclEntryImpl was already doing this internally)

git-svn-id: https://svn.apache.org/repos/asf/incubator/jspwiki/trunk@1429584 13f79535-47bb-0310-9956-ffa450edef68