// ----------------------------------------------------------------------------
// STRUCTURE DOCUMENTATION
//     
// The Theme directory structure need to be like this
// This is only for the public theme
// 
// themes/ 
//      <squelette_dir1>
//         theme.xml
//        <files ... >
//      <squelette_dir2>
//         theme.xml
//        <files ... >
//      <...>
//      <habillage_dir1>
//         theme.xml
//        <files ...>
//      <habillage_dir2>
//         theme.xml
//        <files ...>
//
// Theme = Squelette [+ Habillage]
// Habillage is optional, because default 'habillage' could be in the
// 'squelette' directory itself (such 'dist').
//
// Available 'squelettes' or 'habillage' can be now stored in the same
// directory but you still have the possibility to have 2 differents 
// directories
//
// ---------------------------------------------------------------------------
// Habillage
// theme.xml (use to give a description in the interface and to select it
//                with <squelettes> name)
//    <theme>
// 	<nom>name_of_the_habillage</nom>
// 	<auteur>
// 	author of the habillage
// 	</auteur>
// 	<version>
// 	1.0
// 	</version>
// 	<etat>
// 	stable
// 	</etat>
// 	<description>
// 	...
// 	</description>
//      <type>themes</type>
// 	<squelettes>dist</squelettes>
// 	<squelettes>SarkaSpip</squelettes>
//    </theme>
//
// You can define several dependances <squelettes></squelettes>
// 
// ---------------------------------------------------------------------------
// Squelette
// theme.xml (use to give description in the interface)
//
//    <theme>
// 	<nom>name_of_the_squelette</nom>
// 	<auteur>
// 	author of the squelette
// 	</auteur>
// 	<version>
// 	1.0
// 	</version>
// 	<etat>
// 	stable
// 	</etat>
//      <type>squelettes</type>
// 	<description>
// 	...
// 	</description>
//    </theme>
//
// ---------------------------------------------------------------------------