adding ?nohub option to trap users in editor

editor/default.ts

@@ -204,6 +204,7 @@ module TDev
         if (/dbg=[1t]/.test(url) || window.localStorage["dbg"]) dbg = true;
         if (/nodbg/.test(url)) dbg = false;
         if (/enableUndo/.test(url)) TDev.Collab.enableUndo = true;
+        if (/nohub/.test(url)) TDev.noHub = true;
 
         //if (/endKeywords/.test(url)) Renderer.useEndKeywords = true;
         if (/lfDebug/.test(url)) Util.translationDebug = true;

editor/editor.ts

@@ -2103,7 +2103,7 @@ module TDev
             this.backBtnDiv.setChildren([
                 this.hasModalPane() ?
                     Editor.mkTopMenuItem("svg:back,black", lf("dismiss"), Ticks.calcSearchBack, " Esc", () => this.dismissModalPane()) :
-                    Editor.mkTopMenuItem("svg:back,black", lf("my scripts"), Ticks.codeHub, "Ctrl-I", () => this.backBtn())
+                    TDev.noHub ? null : Editor.mkTopMenuItem("svg:back,black", lf("my scripts"), Ticks.codeHub, "Ctrl-I", () => this.backBtn())
             ])
         }
 

editor/scriptProperties.ts

@@ -927,7 +927,7 @@ module TDev
         {
             TheEditor.dismissSidePane();
 
-            if (Collab.AstSession && a.editorState.groupId) {
+            if (Collab.AstSession && a.editorState.groupId && !TDev.noHub) {
                 var sessionId = Collab.AstSession.servername;
                 var groupId = a.editorState.groupId;
                 var groupInfo = Browser.TheHost.getGroupInfoById(groupId);

rt/util.ts

@@ -8,6 +8,7 @@ module TDev {
     export var isBeta = false;
     export var asyncEnabled = true;
     export var isWebWorker = false;
+    export var noHub = false;
 
     export interface StringMap<T>
     {