subscriptions 6.x-1.0-beta2

This is the second BETA version of the Drupal 6 port of Subscriptions 5.x-2.3.

We do not recommend installing it on a production site, but we encourage you to test it and provide feedback (both good and bad!) in the issues queue. See #273505: BETA5 for D6 for details.

Changes since BETA1:

- Add subscriptions_cck.module for D6.
- Two missing pieces for mail_edit 6.x-1.x.
- Avoid potential naming conflicts.
- Clean up: eliminate notices.
- Implement support for mail_edit 6.x-1.x.
- Fix the anchor on the node form fieldset.
- #296995: Change defaults to send comments and updates.
- Remove obsolete database table backup function when upgrading from 5.x-1.x.
- #294381: Fine-tune the German translation, fix some replacable strings in all languages.
- #294381: Update German translation.
- #283721: Add a List-Id header according to RFC 2919.
- #291929: Use hook_taxonomy() and hook_node_type() to catch deletions and clean out orphaned subscriptions.
- #292654: On-comment subscriptions by author must check the node author, not the comment author.
- #290882: Fix prior patch for #289965.
- #289965: 'Blocked content types' must override 'Auto-subscribe'.
- #288553: Fix untranslated 'Auto-subscribe'.
- #280182: Split the checkboxes and their labels into two separate columns to avoid toggling the checkboxes when clicking a label link.
- Fix display of empty Page form.
- #287591: Don't display Subscribe UI for anonymous users.
- #269617: Fix pgsql section of contributed moderate_content_notifications_install().
- #281600: Add explanatory code comment for error message about missing {subscriptions_user} records (no significant functional changes).
- #284442: Fix call to undefined function language_initialize() for sites that have only one language.
- #282840: drupal_html_to_text() is now part of core, no more need for the HTML_to_text module.
- #278107: Check for the existence of the {mail_edit} table before attempting to remove entries in subscriptions_uninstall().
- Don't use drupal_goto() in a form submit handler.
- #273960: Fix multi-language support.
- #273537: Allow translating the entries in the 'Type' column of the Overview page.