Updated Grunt tasks

Gruntfile.js

@@ -488,6 +488,7 @@ module.exports = function (grunt) {
 
  var tasks = [
  'default',
+ 'sync_trans', // sync translations with crowdin
  'exec:git_commit:Pre-Release v' + newVersion,
  'exec:git_last_tag','exec:git_list_changes','exec:git_tag',
  'exec:git_push:origin:develop:tags',

changelog.md

 # Changelog
 
-- * 0b9b07e - 2018-05-09: Pre-Release v9.3.21.dev1 
+- * 0ea13ba - 2018-05-10: Updated Grunt tasks 
+- * cdcc32f - 2018-05-11: New Crowdin translations 
+- * 392eda4 - 2018-05-11: Update Crowdin configuration file 
+- * 8b1ac6e - 2018-05-09: Pre-Release v9.3.21.dev1 
 - * fcdf2e4 - 2018-05-08: Changed log levels from error to warning for misc 
 - * 7c77db3 - 2018-05-06: Release v9.3.20 
 - * b9fa094 - 2018-05-06: Pre-Release v9.3.20.dev6