Differentiate dashboard page link for authenticated vs. anonymous users

src/main/java/com/gitblit/wicket/GitBlitWebApp.properties

 gb.myRepositories = my repositories
 gb.noActivity = there has been no recent commit activity
 gb.findSomeRepositories = find some repositories
-gb.metricAuthorExclusions = author metric exclusions
+gb.metricAuthorExclusions = author metric exclusions
+gb.myDashboard = my dashboard

src/main/java/com/gitblit/wicket/pages/RootPage.java

 		// navigation links
 		List<PageRegistration> pages = new ArrayList<PageRegistration>();
 		if (!authenticateView || (authenticateView && GitBlitWebSession.get().isLoggedIn())) {
-			pages.add(new PageRegistration("gb.dashboard", DashboardPage.class,
+			pages.add(new PageRegistration(GitBlitWebSession.get().isLoggedIn() ? "gb.myDashboard" : "gb.dashboard", DashboardPage.class,
 					getRootPageParameters()));
 			pages.add(new PageRegistration("gb.repositories", RepositoriesPage.class,
 					getRootPageParameters()));