Eclipse RCP not showing in Plugin registry

I am developing a simple RCP application. I am referring multiple sources in web and I am adding few UI entities like menu, splash screen,intro window etc. But some of my changes are not getting reflected while I launch my application. For example, the menu and splash image are not working but intro window works well. I referred the tutorial here http://www.eclipse-tips.com/tutorials/16. Here author has explained about manually restarting the plugins to get the new changes reflected. But my plugin is not开发者_C百科 all showing in plugin registry view. Can some one help me.