Move Authorization and Authentication plugin structures into core, instead of as plugins.

This move makes sense as you can addPlugin('Authentication') for example - these are abstract classes designed to be implemented, not used directly.

lib/authenticationplugin.php

@@ -207,18 +207,6 @@ abstract class AuthenticationPlugin extends Plugin
         }
     }
 
-    function onAutoload($cls)
-    {
-        switch ($cls)
-        {
-         case 'User_username':
-            require_once(INSTALLDIR.'/plugins/Authentication/User_username.php');
-            return false;
-         default:
-            return true;
-        }
-    }
-
     function onCheckSchema() {
         $schema = Schema::get();
         $schema->ensureTable('user_username',

lib/authorizationplugin.php

@@ -66,9 +66,6 @@ abstract class AuthorizationPlugin extends Plugin
     }
 
     //------------Below are the methods that connect StatusNet to the implementing Auth plugin------------\\
-    function onInitializePlugin(){
-
-    }
 
     function onStartSetUser(&$user) {
         $loginAllowed = $this->loginAllowed($user);

plugins/CasAuthentication/CasAuthenticationPlugin.php

@@ -34,7 +34,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
 // We bundle the phpCAS library...
 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/CAS');
 
-require_once INSTALLDIR.'/plugins/Authentication/AuthenticationPlugin.php';
 class CasAuthenticationPlugin extends AuthenticationPlugin
 {
     public $server;

plugins/LdapAuthentication/LdapAuthenticationPlugin.php

@@ -31,7 +31,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
     exit(1);
 }
 
-require_once INSTALLDIR.'/plugins/Authentication/AuthenticationPlugin.php';
 require_once 'Net/LDAP2.php';
 
 class LdapAuthenticationPlugin extends AuthenticationPlugin

plugins/LdapAuthorization/LdapAuthorizationPlugin.php

@@ -31,7 +31,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
     exit(1);
 }
 
-require_once INSTALLDIR.'/plugins/Authorization/AuthorizationPlugin.php';
 require_once 'Net/LDAP2.php';
 
 class LdapAuthorizationPlugin extends AuthorizationPlugin

plugins/ReverseUsernameAuthentication/ReverseUsernameAuthenticationPlugin.php

@@ -31,8 +31,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
     exit(1);
 }
 
-require_once INSTALLDIR.'/plugins/Authentication/AuthenticationPlugin.php';
-
 class ReverseUsernameAuthenticationPlugin extends AuthenticationPlugin
 {
     //---interface implementation---//