Numerous documentation and test code fixes for HTML Purifier loading

- Improve documentation for stub files
- Synchronize stub files between extras/ and library/
- Remove unnecessary include in function file
- Remove special treatment of Bootstrap
- Improve docs for HTMLPurifier, converted singleton to use static member variables and removed reference
- Add HTMLPurifier.path.php stub file
- Update sample test settings
- Reorganize includes in test files

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1559 48356398-32a2-884e-a903-53898d9a118a

package.php

@@ -13,8 +13,8 @@ $pkg->setOptions(
         'packagedirectory' => realpath(dirname(__FILE__) . '/library'),
         'filelistgenerator' => 'file',
         'include' => array('*'),
-        'dir_roles' => array('/' => 'php'), // hack to put .ser in the right place
-        'ignore' => array('HTMLPurifier.auto.php', 'HTMLPurifier.standalone.php', 'standalone/'),
+        'dir_roles' => array('/' => 'php'), // hack to put *.ser files in the right place
+        'ignore' => array('HTMLPurifier.auto.php', 'HTMLPurifier.standalone.php',  'HTMLPurifier.path.php', 'standalone/'),
     )
 );