[fix] Safari: all requests now synchronous with Safari (except ping l…

…oop)

Otherwise, Safari gets very confused when sync and async requests are interleaved.
Of course, it'd be better to have everything asynchronous...

opabsl/jsbsl/bslSession.js

@@ -373,7 +373,8 @@ var LowLevelPingLoop = {};
                 delete client_stored[serialized.cl_id];
                 internal_ajax({ type : 'POST',
                             url : "/chan/remove",
-                            data : JSON.stringify(serialized)});
+                            data : JSON.stringify(serialized),
+                            async: async_rpc_return});
             }
         },
 
@@ -428,9 +429,10 @@ var LowLevelPingLoop = {};
             if (hsuccess != undefined) msg_to_post.hsuccess = serialize_uu(hsuccess);
             var serialized_msg = JSON.stringify(msg_to_post);
             internal_ajax({ type : 'POST',
-                          url : "/chan/send",
-                          data : serialized_msg
-                        });
+                            url : "/chan/send",
+                            data : serialized_msg,
+                            async: async_rpc_return
+                          });
         },
 
         #<Ifstatic:OPA_CPS_CLIENT>
@@ -762,7 +764,8 @@ var LowLevelPingLoop = {};
             var rep = internal_ajax({
                     type : 'POST',
                     async : false,
-                    url : "/chan/sharedaddr"
+                    url : "/chan/sharedaddr",
+                    async: async_rpc_return
                 });
             shared = JSON.parse(rep.responseText);
         }