Icon for showing changes for a project in the Projects->List screen

A new icon is available on the left hand side of every project in
the Project Listing screen. Clicking the icon will open a change
search query for all changes on that project.

Change-Id: I5465e0e20bed751cb717814514b0bcde7b9d0870

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AdminConstants.java

@@ -107,6 +107,7 @@ public interface AdminConstants extends Constants {
   String projectAdminTabGeneral();
   String projectAdminTabBranches();
   String projectAdminTabAccess();
+  String projectListQueryLink();
 
   String plugins();
   String pluginEnabled();