Add limit warning in pad2

www/pad2/main.js

@@ -471,7 +471,7 @@ define([
             var titleCfg = { getHeadingText: getHeadingText };
             Title = common.createTitle(titleCfg, realtimeOptions.onLocal, common, cpNfInner.metadataMgr);
             var configTb = {
-                displayed: ['userlist', 'title', 'useradmin', 'spinner', 'newpad', 'share'],
+                displayed: ['userlist', 'title', 'useradmin', 'spinner', 'newpad', 'share', 'limit'],
                 title: Title.getTitleConfig(),
                 metadataMgr: cpNfInner.metadataMgr,
                 readOnly: readOnly,

www/pad2/outer.js

@@ -118,6 +118,16 @@ define([
                 cb();
             });
 
+            sframeChan.on('Q_GET_PIN_LIMIT_STATUS', function (data, cb) {
+                Cryptpad.isOverPinLimit(function (e, overLimit, limits) {
+                    cb({
+                        error: e,
+                        overLimit: overLimit,
+                        limits: limits
+                    });
+                });
+            });
+
             CpNfOuter.start({
                 sframeChan: sframeChan,
                 channel: secret.channel,