Move jquery/jqueryUI to r_lib_ext.
Add Bootstrap
Add to HTML class methods to enable properly bootstrap, jquery and jqueryUI
Add to HTML class a warning sign when debug mode is enabled
Add to MBus class an automatic system to display messages when debug mode is enabled
Merge branch 'master' of https://github.com/LondNoir/php-ltk

Conflicts:
	r_lib/ltk.class.php