allow many extensions

tripal_chado/includes/TripalImporter/FASTAImporter.inc

@@ -21,7 +21,7 @@ class FASTAImporter extends TripalImporter {
   /**
    * An array containing the extensions of allowed file types.
    */
-  public static $file_types = array('fasta');
+  public static $file_types = array('fasta', 'txt', 'fa', 'aa', 'pep', 'nuc');
 
 
   /**