add a keystroke check for chat and make it so the chat listens on event 13 aswell as event 10

src/static/js/chat.js

@@ -150,7 +150,7 @@ var chat = (function()
       $("#chatinput").keypress(function(evt)
       {
         //if the user typed enter, fire the send
-        if(evt.which == 13)
+        if(evt.which == 13 || evt.which == 10)
         {
           evt.preventDefault();
           self.send();

tests/frontend/specs/keystroke_chat.js

@@ -0,0 +1,39 @@
+describe("send chat message", function(){
+  //create a new pad before each test run
+  beforeEach(function(cb){
+    helper.newPad(cb);
+    this.timeout(5000);
+  });
+
+  it("opens chat, sends a message and makes sure it exists on the page", function(done) {
+    var inner$ = helper.padInner$; 
+    var chrome$ = helper.padChrome$; 
+    var chatValue = "JohnMcLear";
+
+    //click on the chat button to make chat visible
+    var $chatButton = chrome$("#chaticon");
+    $chatButton.click();
+    var $chatInput = chrome$("#chatinput");
+    $chatInput.sendkeys('JohnMcLear'); // simulate a keypress of typing JohnMcLear
+    $chatInput.sendkeys('{enter}'); // simulate a keypress of enter actually does evt.which = 10 not 13
+
+    //check if chat shows up
+    helper.waitFor(function(){
+      return chrome$("#chattext").children("p").length !== 0; // wait until the chat message shows up
+    }).done(function(){
+      var $firstChatMessage = chrome$("#chattext").children("p");
+      var containsMessage = $firstChatMessage.text().indexOf("JohnMcLear") !== -1; // does the string contain JohnMcLear?
+      expect(containsMessage).to.be(true); // expect the first chat message to contain JohnMcLear
+
+      // do a slightly more thorough check
+      var username = $firstChatMessage.children("b");
+      var usernameValue = username.text();
+      var time = $firstChatMessage.children(".time");
+      var timeValue = time.text();
+      var expectedStringIncludingUserNameAndTime = usernameValue + timeValue + " " + "JohnMcLear";
+      expect(expectedStringIncludingUserNameAndTime).to.be($firstChatMessage.text());
+      done();
+    });
+
+  });
+});