add 'sign in as xyzw' buttons if you have signin-xyzw permission

editor/hub.ts

@@ -490,6 +490,19 @@ module TDev.Browser {
                 ])])
             }
 
+            var users = Object.keys(Cloud.litePermissions).filter(k => /^signin-/.test(k)).map(k => k.replace(/signin-/, ""))
+
+            if (users.length > 0) {
+                m.add(div("wall-dialog-header", lf("sign in as:")));
+                var usersDiv = div("wall-dialog-body")
+                m.add(usersDiv)
+                users.map(u => TheApiCacheMgr.getAsync(u, true).done(r => {
+                    if (r) {
+                        usersDiv.appendChild(HTML.mkButton(r.name, () => Editor.loginAs(r.id)))
+                    }
+                }))
+            }
+
             m.show();
         }
 

rt/cloud.ts

@@ -2,6 +2,7 @@
 module TDev.Cloud {
 
     export var lite = false;
+    export var litePermissions:StringMap<boolean> = {};
 
     export interface EditorWidgets {
         // edit
@@ -216,7 +217,6 @@ module TDev.Cloud {
         return id ? HTML.proxyResource(Util.fmt("{0}/{1}/{2:uri}", Cloud.config.cdnUrl, thumb ? "thumb" : "pub", id)) : undefined;
     }
     
-    var litePermissions:StringMap<boolean> = {};
     export function setPermissions(perms:string = null)
     {
         if (perms !== null)