properly detect chado 1.31

tripal_core/api/tripal_core.chado_schema.api.inc

@@ -385,6 +385,9 @@ function chado_get_version($exact = FALSE, $warn_if_unsupported = FALSE) {
   if (preg_match('/^1\.2\d+$/', $effective_version)) {
     $effective_version = "1.2";
   }
+  else if (preg_match('/^1\.3\d+$/', $effective_version)) {
+    $effective_version = "1.3";
+  }
   if ($warn_if_unsupported and ($effective_version < 1.11 and $effective_version != 'not installed')) {
     drupal_set_message(t("WARNING: The currently installed version of Chado, v$exact_version, is not fully compatible with Tripal."), 'warning');
   }