Add settings button

- delete unused keyboard layout

Change-Id: Iab39446653460797f1ca876a7d9a23190c3a8df6
diff --git a/java/res/values/keycodes.xml b/java/res/values/keycodes.xml
index 8156c0e..3f03dd6 100644
--- a/java/res/values/keycodes.xml
+++ b/java/res/values/keycodes.xml
@@ -20,5 +20,6 @@
 
 <resources>
     <!-- Keycode for F1 (function) key. This one switches between language switch & comma/.com -->
+    <integer name="key_settings">-100</integer>
     <integer name="key_f1">-103</integer>
 </resources>