Update list for NetPalpus

NetPalpus 2.11 estimated in January 23, 2010
-alpha release
NetPalpus 2.10 forthcoming in November 29, 2009
-2.10 beta release
NetPalpus 2.9 from September 4, 2009
1. Choosing the colored tinge for dead items is allowed. 2. Bugs fixed.
NetPalpus 2.8 from March 27, 2008
1. Discovering workgroup names and MAC addresses. 2. Supporting multiple email alert receivers. 3. Fixing small bugs.