Knowledegebase Publisher 1.5 RC1 released

- Feature added: Users can ask questions (question send by email)
- Feature added: Abilty to protect access to KB (for registered users only)
- Feature added: Abilty to protect any category (registered users only can view that entries)
- Feature added: Abilty to make any category active/inactive
- Feature added: Advanced search
- Feature added: "Client View" tab in admin area
- Some bugs fixed