Changes since DRUPAL-5--3-1:
- #757764 by Monzer Emam: A RTL arrow image
- Added a new troubleshooting entry to the README based on #538022: when you get the JS alert: "Received an invalid response from the server.", you should make sure that the page the form is on is not being cached.
- Fixed #774264 by roderik: Glitch when level labels not filled
- Fix notices when creating a new vocabulary: don't add the Hierarchical Select settings at that time.
- Fix notices in the common config form.