Merge branch 'staging' into exportFolderTests

www/common/cryptget.js

@@ -21,6 +21,11 @@ define([
                 S.leave();
             } catch (e) { console.log(e); }
         }
+        if (S.session && S.session.stop) {
+            try {
+                S.session.stop();
+            } catch (e) { console.error(e); }
+        }
         var abort = Util.find(S, ['session', 'realtime', 'abort']);
         if (typeof(abort) === 'function') {
             S.session.realtime.sync();

www/common/sframe-common-outer.js

@@ -864,6 +864,9 @@ define([
                 Cryptpad.removeLoginBlock(data, cb);
             });
 
+            // It seems we have performance issues when we open and close a lot of channels over
+            // the same network, maybe a memory leak. To fix this, we kill and create a new
+            // network every 30 cryptget calls (1 call = 1 channel)
             var cgNetwork;
             var whenCGReady = function (cb) {
                 if (cgNetwork && cgNetwork !== true) { console.log(cgNetwork); return void cb(); }