[1.3.0] Add Printer_CSSDefinition.

- Added @public identifiers to properties that the Printers are using.
- Augmented Printer::getClass() to include meta-info about the object (contained inside parentheses). Currently supports: enum, composite and multiple.
- Remove all linebreaks from Printer output
- Document Printer_HTMLDefinition's methods.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@581 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/ChildDef/Chameleon.php

@@ -16,10 +16,13 @@ class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
     
     /**
      * Instance of the definition object to use when inline. Usually stricter.
+     * @public
      */
     var $inline;
+    
     /**
      * Instance of the definition object to use when block.
+     * @public
      */
     var $block;
     

library/HTMLPurifier/ChildDef/Required.php

@@ -9,6 +9,7 @@ class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
 {
     /**
      * Lookup table of allowed elements.
+     * @public
      */
     var $elements = array();
     /**