Two convenience Get/Set(StyleFamily) methods added to TOdfCustomStyle.
+ Updated Copyright notice
+ TOdfDocument.InitDefaultStyles:
   * Renamed to InitStyles;
   * Included New "Standard" Style
   * Corrected Style Font Name attribute.
+ Better Namespace initialization when saving as a single file (.fodt)
+ Optimized code of OdfSetAttributeValue function
+ Updated Copyright notice
+ Removed Style creation code. It's no longer necessary.