[bug] improve demo page check

Author: zombieFox

js/data.js

@@ -38,12 +38,14 @@ var data = (function(){
 vardata=load();
 if(data){
 if("runtime"inchrome){
-if(!("version"indata)||data.version!=version.get()){
-console.log("data version "+data.version+" found less than current");
-data=update.run(data);
-set(saveName,JSON.stringify(data));
-}else{
-console.log("data version "+version.get()+" no need to run update");
+if("getManifest"inchrome.runtime){
+if(!("version"indata)||data.version!=version.get()){
+console.log("data version "+data.version+" found less than current");
+data=update.run(data);
+set(saveName,JSON.stringify(data));
+}else{
+console.log("data version "+version.get()+" no need to run update");
+};
 };
 };
 };

js/init.js

@@ -1,10 +1,19 @@
 // log version
-if("runtime"inchrome){
-console.log("nightTab version",version.get());
-}else{
+vardemoMessage=function(){
 console.log("nightTab running in demo mode");
 console.log("all bookmarks or preference changes will not persist in demo mode");
 };
+
+if("runtime"inchrome){
+if("getManifest"inchrome.runtime){
+console.log("nightTab version",version.get());
+}else{
+demoMessage();
+};
+}else{
+demoMessage();
+};
+
 data.init();
 state.init();
 bookmarks.init();