fixs: conditions de récupération des données auprés des api mis ajour pour soundCloud.

src/Muzich/CoreBundle/Factory/Elements/Soundcloudcom.php

       curl_setopt_array( $ch, $options );
       $result = json_decode(curl_exec($ch));
 
-      if (!isset($result->errors))
+      if (isset($result->errors))
       {
-        return;
-      }
-      
-      if (count($result->errors))
-      {
-        return;  
+        if (count($result->errors))
+        {
+          return;  
+        }
       }
       
       if (!isset($result->location))
       {
-        return null;
+        return;
       }
       
       if (!$result->location)
       {
-        return null;
+        return;
       }
       
       $getjsonurl = $result->location;

src/Muzich/CoreBundle/Tests/ElementFactory/ElementFactoryTest.php

     $this->assertEquals(array(
       'data_ref_id' => 3770,
       'data_title' => 'Library Project',
-      'data_thumb_url' => 'http://i1.sndcdn.com/artworks-000000514203-fsvbcj-large.jpg?04ad178',
+      'data_thumb_url' => 'http://i1.sndcdn.com/artworks-000000514203-fsvbcj-large.jpg?51826bf',
       'data_type' => 'playlist',
       'data_download' => null,
       'data_download_url' => 'http://soundcloud.com/matas/sets/library-project/download',
     $this->assertEquals(array(
       'data_ref_id' => 3154252,
       'data_title' => 'Above Hyperion (redux)',
-      'data_thumb_url' => 'http://i1.sndcdn.com/artworks-000001536693-gb1n5v-large.jpg?04ad178',
+      'data_thumb_url' => 'http://i1.sndcdn.com/artworks-000001536693-gb1n5v-large.jpg?51826bf',
       'data_type' => 'track',
       'data_download' => false,
       'data_download_url' => 'http://soundcloud.com/matas/above-hyperion-redux/download',