Modifying existing UI components (like Project Area Administration)
I know how to create new page, there is great tutorial on that (https://jazz.net/wiki/bin/view/Main/HiJazzWebTutorial#Jazz_Web_UI_Page_Tutorial).
Is there any way to modify existing component, like Project Area Administration? I would like to add new link on the sidebar, that would open new page (or rather page fragment) on the right. I made a picture to show what I mean.