Fixes #58.

Also, use shift+return for line break.

qml/form/RoomForm.qml

@@ -366,9 +366,10 @@ Item {
                         ToolTip.visible: currentRoom && currentRoom.hasUsersTyping
                         ToolTip.text: currentRoom ? currentRoom.usersTyping : ""
 
-                        Shortcut {
-                            sequence: "Ctrl+Return"
-                            onActivated: {
+                        Keys.onReturnPressed: {
+                            if (event.modifiers & Qt.ShiftModifier) {
+                                inputField.insert(inputField.cursorPosition, "\n")
+                            } else {
                                 inputField.postMessage(inputField.text)
                                 inputField.text = ""
                             }

qml/main.qml

@@ -40,7 +40,8 @@ ApplicationWindow {
         }
         onHideWindow: window.hide()
         onErrorOccured: {
-            errorLabel.text = error
+            errorDialog.error = error
+            errorDialog.detail = detail
             errorDialog.open()
         }
     }
@@ -51,14 +52,16 @@ ApplicationWindow {
     }
 
     Dialog {
+        property string error
+        property string detail
+
         x: (window.width - width) / 2
         y: (window.height - height) / 2
 
         id: errorDialog
-        title: "Error"
-        contentItem: Label {
-            id: errorLabel
-        }
+
+        title: error + " Error"
+        contentItem: Label { text: errorDialog.detail  }
     }
 
     Component {