-Enabled multi-processor compiling with Visual Studio

-Fixed refrences to secondlife-bin.exe in build scripts
-Added ability to blacklist sounds through Sound Explorer floater.
-Added a missing color to the silver skin

indra/newview/skins/silver/colors_base.xml

@@ -193,6 +193,7 @@
 <ConsoleBackground value="0, 0, 0, 255" />
 <FolderViewLoadingMessageTextColor value="240, 165, 90, 255"/>
 <InventoryBackgroundColor value="255, 255, 255, 80"/>
+<ComboBoxBg value="255, 255, 255, 255"/>
 
  <!-- Alert box colors -->
 <AlertBoxColor value="165, 180, 200, 245"/>