gaia build flags investigation

gistfile1.txt

Adding GAIA_KEYBOARD_ENABLE_USER_DICT := 0 to my local.mk, the resulting build_stage/keyboad/ differs in the following way:

Michiels-MacBook-Pro:gaia Michiel$ diff -r keyboard-default/ build_stage/keyboard/
diff -r keyboard-default/index.html build_stage/keyboard/index.html
55c55
<   <meta name="availableLanguages" content="en-US:201507251157, qps-ploc:201507251157, qps-plocm:201507251157">
---
>   <meta name="availableLanguages" content="en-US:201507251201, qps-ploc:201507251201, qps-plocm:201507251201">
diff -r keyboard-default/settings.html build_stage/keyboard/settings.html
16c16
<   <meta content="en-US:201507251157, qps-ploc:201507251157, qps-plocm:201507251157" name="availableLanguages">
---
>   <meta content="en-US:201507251201, qps-ploc:201507251201, qps-plocm:201507251201" name="availableLanguages">
38c38
<   <script src="js/settings/base_view.js" defer="defer"></script><script defer="defer" src="js/settings/user_dictionary.js"></script><script defer="defer" src="js/settings/word_list_converter.js"></script><script defer="defer" src="js/settings/user_dictionary_list_panel.js"></script><script defer="defer" src="js/settings/user_dictionary_edit_dialog.js"></script>
---
>   <script src="js/settings/base_view.js" defer="defer"></script>
93,98c93
<                   <li>
<             <a href="#ud-wordlist" id="menu-userdict" class="menu-item">
<               <span data-l10n-id="userDictionary">User dictionary</span>
<             </a>
<           </li>
< </ul>
---
>         </ul>