Bug fixes

Development branch, use at your own risk.

- Code clean up to keep with Drupal coding standards
- Aded extra regions
- Minor bugfixes

Clean up code to keep with Drupal coding standards, thanks to fp.

- Some bugfixes.
- extra regions added.
- code clean-up to keep it Drupal coding standard, thanks to fp.

Replaced json_encode with drupal_to_js
Fixed display field to be product/attribute specific instead of only attribute specific

• #257584: missing t() for "[hide]": Translate javascript show/hide toggle link.
• Converting CSS to have unix line endings.
• Enable caching for both filters. Properly update the cache if only the attachments list has changed.

• #254937: show/hide text not toggling: Fix jQuery call so that the show/hide text works properly.
• Enable caching for both filters. Properly update the cache if only the attachments list has changed.
• Changing javascript to have Unix line endings.
• Converting CSS to have unix line endings.
• Minor code cleanups to match the Drupal 6 version.