Change type of keyboardinput to password to make sure that you can write...

Change type of keyboardinput to password to make sure that you can write parenthesis on iOS devices.

vnc.html

@@ -64,7 +64,7 @@
                 <input type="image" alt="Keyboard" src="images/keyboard.png"
                     id="showKeyboard" class="noVNC_status_button"
                     value="Keyboard" title="Show Keyboard"/>
-                <input type="email" id="keyboardinput" autocapitalize="off"
+                <input type="password" id="keyboardinput" autocapitalize="off"
                     autocorrect="off" autocomplete="off" spellcheck="false">
                 <div id="noVNC_extra_keys">
                     <input type="image" alt="Extra keys" src="images/showextrakeys.png"