- remove top padding from closure region

- removed support for primary and secondary links and introduced "header menu" and "footer menu" regions instead
- removed contextual.js from info file
- added basic template for maintenance page
- increased header image width so that it won't get cut off on wide screens
- tweaked stylings for submit buttons (black background color, uppercase text)
- fixed many other regressions (the theme is now compatible with latest Drupal 7 revision)

- added full BiDi support
- fixed misaligned form labels
- added white bullet image
- removed custom stylings for contextual links
- code refactoring
- fixed a lot of minor bugs