Includes ils metawidget for new graasp #106

1) Creates a new ils_metawidget folder (ils_metawidget_graaspeu) that will be devoted to the visualizations in the new graasp. The original folder will remain as it was in order to maintain the files as are required by the old graasp.
2) Obtains the information about the items according to the changes done by Wissam in Shindig-graaspeu.