Handle MR description

Author: jubianchi

lib/Gitlab/Api/MergeRequests.php

@@ -17,18 +17,19 @@ public function show($project_id, $mr_id)
         return $this->get('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id));
     }
 
-    public function create($project_id, $source, $target, $title, $assignee = null, $target_project_id = null)
+    public function create($project_id, $source, $target, $title, $assignee = null, $target_project_id = null, $description = null)
     {
         if ($target_project_id && ! is_numeric($target_project_id)) {
-            throw new InvalidArgumentException('target_project_id should be numeric, the project name is not allowed');
+            throw new \InvalidArgumentException('target_project_id should be numeric, the project name is not allowed');
         }
 
         return $this->post('projects/'.urlencode($project_id).'/merge_requests', array(
             'source_branch' => $source,
             'target_branch' => $target,
             'title' => $title,
             'assignee_id' => $assignee,
-            'target_project_id' => $target_project_id
+            'target_project_id' => $target_project_id,
+            'description' => $description
         ));
     }
 

lib/Gitlab/Model/Project.php

@@ -330,9 +330,9 @@ public function mergeRequest($id)
         return $mr->show();
     }
 
-    public function createMergeRequest($source, $target, $title, $assignee = null)
+    public function createMergeRequest($source, $target, $title, $assignee = null, $description = null)
     {
-        $data = $this->api('mr')->create($this->id, $source, $target, $title, $assignee);
+        $data = $this->api('mr')->create($this->id, $source, $target, $title, $assignee, null, $description);
 
         return MergeRequest::fromArray($this->getClient(), $this, $data);
     }
@@ -494,12 +494,12 @@ public function removeSnippet($id)
         return $snippet->remove();
     }
 
-	public function transfer($group_id)
-	{
-		$group = new Group($group_id, $this->getClient());
+    public function transfer($group_id)
+    {
+        $group = new Group($group_id, $this->getClient());
 
-		return $group->transfer($this->id);
-	}
+        return $group->transfer($this->id);
+    }
 
     public function forkTo($id)
     {