rename SettingsActivity in AccountManagementActivity, remove dead code
diff --git a/res/layout/item_menu.xml b/res/layout/item_menu.xml
index 02e21a7..96ac494 100644
--- a/res/layout/item_menu.xml
+++ b/res/layout/item_menu.xml
@@ -8,4 +8,4 @@
     android:paddingLeft="15dip"
     android:paddingTop="10dip"
     android:textColor="@color/black"
-    android:textSize="24sp" />
+    android:textSize="20sp" />