renaming some function in paginator + fixing bug in paginator

- the '*itemPerPage' function are renamed '*itemsPerPage'
- the paginatorFactory now get the route parameters correctly

Pagination/Paginator.php

@@ -25,7 +25,7 @@ use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
 /**
  * Standard paginator class.
- * 
+ *
  * Represent a set of paginated pages;
  *
  * @author Julien Fastré <julien.fastre@champs-libres.coop>
@@ -75,7 +75,7 @@ class Paginator implements PaginatorInterface
     protected $urlGenerator;
     
     /**
-     * the key in the GET parameter to indicate the page number in 
+     * the key in the GET parameter to indicate the page number in
      * generated routes
      *
      * @var string
@@ -85,7 +85,7 @@ class Paginator implements PaginatorInterface
     /**
      * the key in the GET parameter to indicate the number of item per page
      *
-     * @var string 
+     * @var string
      */
     protected $itemPerPageKey;
 
@@ -116,7 +116,7 @@ class Paginator implements PaginatorInterface
     }
 
     /**
-     * 
+     *
      * @return \Chill\MainBundle\Pagination\Page
      */
     public function getCurrentPage()
@@ -134,12 +134,12 @@ class Paginator implements PaginatorInterface
         return $page->getNumber() === $this->currentPageNumber;
     }
 
-        public function getItemPerPage()
+        public function getItemsPerPage()
     {
         return $this->itemPerPage;
     }
     
-    public function setItemPerPage($itemPerPage)
+    public function setItemsPerPage($itemPerPage)
     {
         $this->itemPerPage = $itemPerPage;
     }
@@ -161,7 +161,7 @@ class Paginator implements PaginatorInterface
     }
 
     /**
-     * 
+     *
      * @return \Chill\MainBundle\Pagination\Page
      * @throws \RuntimeException if the next page does not exists
      */
@@ -175,7 +175,7 @@ class Paginator implements PaginatorInterface
     }
 
     /**
-     * 
+     *
      * @return \Chill\MainBundle\Pagination\Page
      * @throws \RuntimeException if the next page does not exists
      */
@@ -189,7 +189,7 @@ class Paginator implements PaginatorInterface
     }
 
     /**
-     * 
+     *
      * @return bool
      */
     public function hasNextPage()
@@ -198,7 +198,7 @@ class Paginator implements PaginatorInterface
     }
 
     /**
-     * 
+     *
      * @return bool
      */
     public function hasPreviousPage()
@@ -208,13 +208,13 @@ class Paginator implements PaginatorInterface
     
     public function hasPage($number)
     {
-        return $number > 0 and 
+        return $number > 0 and
               $number <= $this->countPages();
     }
 
     
     /**
-     * 
+     *
      * @param type $number
      * @return \Chill\MainBundle\Pagination\Page
      */
@@ -225,7 +225,7 @@ class Paginator implements PaginatorInterface
         }
         
         return new Page(
-              $number, 
+              $number,
               $this->itemPerPage,
               $this->urlGenerator,
               $this->route,