Three static items should be added into WAR content list in order to make the
Packaging page more clear.

UI spec:
http://web.netbeans.org/nonav/doc/webapp-project-ui-spec-promoe.html#Build_Packaging

Mockup:
+------------------------------------------------------------------------------------------+
| Project Properties - My Web App                                              
           |
+------------------------------------------------------------------------------------------+
| Categories:                                                                  
           |
| +----------------+                                                           
           |
| | Sources        | WAR File: |_/home/me/My Web
App/dist/My-App.jar_____________________| |
| | Libraries      |                                                           
           |
| |                | Exclude From WAR File:
|_**/*.java,**/*.form________________________| |
| | Build          |                        (cannot exclude class files)       
           |
| |   Compiling    | [ ] Compress WAR File                                     
           |
| |///Packaging////|                                                           
           |
| |   Documenting  | WAR Content:                                              
           |
| |                | |_______WAR Item________|____Path in WAR_____|            
           |
| | Run            | |Web Pages              |/                   | [   Add
Project...   ] |
| |                | |Libraries              |/WEB-INF/lib        | [   Add
Library...   ] |
| |                | |Compiled Sources       |/WEB-INF/classes    | [ Add
File/Folder... ] |
| |                | |                       |                    |            
           |
| |                | |                       |                    | [     Remove
        ] |
| |                | |                       |                    |            
           |
| |                | |                       |                    |            
           |
| |                | |                       |                    |            
           |
| |                | |                       |                    |            
           |
| |                | |                       |                    |            
           |
| +----------------+ +--------------------------------------------+            
           |
|                                                                      [[ OK ]]
[ Cancel ] |
+------------------------------------------------------------------------------------------+