multi size:

- fix external imagick issues when rotation was required
- fix: derivative were generated continuosly until a first save performed in the admin screen
- added sharpen param in the new config screen
- increased the sharpen range (10% is less than before)

git-svn-id: http://piwigo.org/svn/trunk@14649 68402e56-0260-453c-a942-63ccdbb3a9ee

include/derivative_params.inc.php

@@ -240,7 +240,6 @@ final class DerivativeParams
   public $use_watermark = false;
   public $sizing;
   public $sharpen = 0;
-  public $quality = 95;
 
   function __construct($sizing)
   {
@@ -249,7 +248,7 @@ final class DerivativeParams
 
   public function __sleep()
   {
-      return array('last_mod_time', 'sizing', 'sharpen', 'quality');
+      return array('last_mod_time', 'sizing', 'sharpen');
   }
 
   function add_url_tokens(&$tokens)