1. copy & paste in each tool
2. make in-place editing perfect in NSBrowser
4. Add editing in default editor
8. Fix: PlopletView can't handle encoding other than UTF-8 (XML)
9. Fix: Click frequently on pop-up button in internet search
   and switch between different internet search item will cause memory leak.
   Not sure it is because of NSPopUpButton or InternetSearch.
10. Localization.

Done:
3. Make commander non-blocking
5. Make Ploplet load url in background (Doesn't work for no reason) !!
6. Import Item.
7. Search Internet.
