Give user notification about how to resize

src/js/terminal.js

@@ -279,6 +279,12 @@ app.controller('TerminalController', ['$scope', '$timeout', '$location', 'Client
             setTimeout(function () {
                 if (!$scope.terminal) return;
                 $scope.terminal.fit();
+
+                // this is here so that the text wraps correctly after the fit!
+                var YELLOW = '\u001b[33m'; // https://gist.github.com/dainkaplan/4651352
+                var NC = '\u001b[0m';
+                $scope.terminal.writeln(YELLOW + 'If you resize the browser window, press Ctrl+D to start a new session with the current size.' + NC);
+
                 createTerminalSocket(); // create exec container after we fit() since we cannot resize exec container post-creation
             }, 1000);
         });