create folder 'remote' for the remote services like caldav, carddav and webdav

.htaccess

 ErrorDocument 403 /core/templates/403.php
 ErrorDocument 404 /core/templates/404.php
+Redirect 301 /apps/calendar/caldav.php /remote/caldav.php
+Redirect 301 /apps/contacts/carddav.php /remote/carddav.php
+Redirect 301 /apps/files/webdav.php /remote/webdav.php
+Redirect 301 /files/webdav.php /remote/webdav.php
 <IfModule mod_php5.c>
 php_value upload_max_filesize 512M
 php_value post_max_size 512M
@@ -11,7 +15,7 @@ php_value memory_limit 512M
 <IfModule mod_rewrite.c>
 RewriteEngine on
 RewriteRule .* - [env=HTTP_AUTHORIZATION:%{HTTP:Authorization},last]
-RewriteRule ^.well-known/carddav /apps/contacts/carddav.php [R]
-RewriteRule ^.well-known/caldav /apps/calendar/caldav.php [R]
+RewriteRule ^.well-known/carddav /remote/carddav.php [R]
+RewriteRule ^.well-known/caldav /remote/caldav.php [R]
 </IfModule>
-Options -Indexes
+Options -Indexes
\ No newline at end of file

apps/calendar/appinfo/install.php

+<?php
+if(!file_exists(OC::$WEBROOT.'/remote/caldav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/caldav.php', file_get_contents(OC::$APPROOT . '/apps/calendar/appinfo/remote.php'));
+}
\ No newline at end of file

apps/calendar/caldav.php → apps/calendar/appinfo/remote.php

@@ -5,10 +5,9 @@
  * later.
  * See the COPYING-README file.
  */
-
 // Do not load FS ...
 $RUNTIME_NOSETUPFS = true;
-require_once('../inc.php');
+require_once('../lib/base.php');
 
 OC_Util::checkAppEnabled('calendar');
 
@@ -25,7 +24,7 @@ $nodes = array(
 
 // Fire up server
 $server = new Sabre_DAV_Server($nodes);
-$server->setBaseUri(OC::$APPSWEBROOT.'/apps/calendar/caldav.php');
+$server->setBaseUri(OC::$WEBROOT.'/remote/caldav.php');
 // Add plugins
 $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend,'ownCloud'));
 $server->addPlugin(new Sabre_CalDAV_Plugin());

apps/calendar/appinfo/update.php

@@ -15,3 +15,6 @@ if (version_compare($installedVersion, '0.2.1', '<')) {
 		$r = $stmt->execute(array($color,$id));
 	}
 }
+if(!file_exists(OC::$WEBROOT.'/remote/caldav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/caldav.php', file_get_contents(OC::$APPROOT . '/apps/calendar/appinfo/remote.php'));
+}
\ No newline at end of file

apps/contacts/appinfo/install.php

+<?php
+if(!file_exists(OC::$WEBROOT.'/remote/carddav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/carddav.php', file_get_contents(OC::$APPROOT . '/apps/contacts/appinfo/remote.php'));
+}
\ No newline at end of file

apps/contacts/carddav.php → apps/contacts/appinfo/remote.php

@@ -19,10 +19,9 @@
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-
 // Do not load FS ...
 $RUNTIME_NOSETUPFS = true;
-require_once('../inc.php');
+require_once('../lib/base.php');
 
 OC_Util::checkAppEnabled('contacts');
 
@@ -39,7 +38,7 @@ $nodes = array(
 
 // Fire up server
 $server = new Sabre_DAV_Server($nodes);
-$server->setBaseUri(OC::$APPSWEBROOT.'/apps/contacts/carddav.php');
+$server->setBaseUri(OC::$WEBROOT.'/remote/carddav.php');
 // Add plugins
 $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend,'ownCloud'));
 $server->addPlugin(new Sabre_CardDAV_Plugin());

apps/contacts/appinfo/update.php

+<?php
+if(!file_exists(OC::$WEBROOT.'/remote/carddav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/carddav.php', file_get_contents(OC::$APPROOT . '/apps/contacts/appinfo/remote.php'));
+}
\ No newline at end of file

apps/files/appinfo/install.php

+<?php
+if(!file_exists(OC::$WEBROOT.'/remote/webdav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/webdav.php', file_get_contents(OC::$APPROOT . '/apps/files/appinfo/webdav.php'));
+}
\ No newline at end of file

apps/files/webdav.php → apps/files/appinfo/remote.php

@@ -25,7 +25,6 @@
 
 // Do not load FS ...
 $RUNTIME_NOSETUPFS = true;
-require_once('../inc.php');
 
 // only need filesystem apps
 $RUNTIME_APPTYPES=array('filesystem','authentication');
@@ -41,7 +40,7 @@ $publicDir = new OC_Connector_Sabre_Directory('');
 
 // Fire up server
 $server = new Sabre_DAV_Server($publicDir);
-$server->setBaseUri(OC::$APPSWEBROOT.'/apps/files/webdav.php');
+$server->setBaseUri(OC::$WEBROOT.'/remote/webdav.php');
 
 // Load plugins
 $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend,'ownCloud'));

apps/files/appinfo/update.php

+<?php
+if(!file_exists(OC::$WEBROOT.'/remote/webdav.php')){
+	file_put_contents(OC::$WEBROOT.'/remote/webdav.php', file_get_contents(OC::$APPROOT . '/apps/files/appinfo/webdav.php'));
+}
\ No newline at end of file

apps/inc.php

-<?php require_once('/Applications/MAMP/htdocs/owncloud/lib/base.php'); ?>
\ No newline at end of file

index.php

@@ -44,7 +44,7 @@ if($not_installed) {
 
 // Handle WebDAV
 if($_SERVER['REQUEST_METHOD']=='PROPFIND'){
-	header('location: '.OC_Helper::linkToAbsolute('files','webdav.php'));
+	header('location: '.OC_Helper::linkToAbsolute('remote','webdav.php'));
 	exit();
 }
 

lib/base.php

@@ -451,8 +451,6 @@ class OC{
 				exit;
 			}
 		}
-		//update path to lib base
-		@file_put_contents(OC::$APPSROOT . '/apps/inc.php', '<?php require_once(\'' . OC::$SERVERROOT . '/lib/base.php' . '\'); ?>');
 	}
 }