seo_checklist 5.x-2.1-beta1

Changes since DRUPAL-5--2-0:

• #581466 by Dave Reid | NancyDru: Removed inappropriate package from seochecklist.info.
• by Dave Reid: Fixed module variables not being uninstalled and incorrect function names.
• #594766 by Dave Reid: Fixed broken link to double-check clean URLs.
• #605418 by Dave Reid | lyricnz: Fixed links and references from MSN/Live to Bing.
• by Dave Reid: Fixed misc code cleanups.
• by Dave Reid: Moved seochecklist.css into the module root directory. It was lonely and now it conforms to core standards.
• #443506 by tresero, Dave Reid: Fixed the datetime field by combining the option_checked, date_changed, and checked_module columns into {seo_checklist}.completed which stores a UNIX timestamp or 0.
• #443506 by tresero, Dave Reid: Fixed PostgreSQL incompatibilities.
• by Dave Reid: Improved the clean URL task disabling and default value.
• by Dave Reid: Removed the {seo_checklist}.subgroup_id field.
• #610926 by Dave Reid: Added {seo_checklist}.uid to record which user completed each task. Also prettified the interface a little more and corrected non-lowercase {seo_checklist}.module values.
• by Dave Reid: Removed the 'check for already installed modules' because it happens automatically now.
• #611958 by Dave Reid: Eased the 5.x-1.x to 5.x-2.x upgrade path.
• by Dave Reid: Fixed messed-up line endings.
• by Dave Reid: Updating the README and upgrading instructions.
• #618772 by zolikonta, Dave Reid: Fixed link to Google Local Business Center.
• back-port by Dave Reid: Fixed code clean-ups.
• back-port by Dave Reid: Un-bolded the shouty message at the top of the checklist page.
• by Dave Reid: Fixed coder warnings.