commentrss 6.x-2.3

Changes since 6.x-2.2:

• #1159788: Fixed the 'access comments' permission not checked for the node comment feed.
• #1159772: Fixed site comment RSS feed not added to head.
• #594484: Move from commentrss_init() to use commentrss_preprocess_page() to not break theme system in hook_init().
• #594484: Moved node comment RSS link adding to commentrss_nodeapi().
• Synchronized comment_format_feed() with node_feed() and removed unnecessary parameter.
• Fixed more coding standard violations.
• Removed workaround for #157709 and use proper XML namespace declaration in the node feed.
• Fixed concatenation standards.
• #1137242: Create proper menu callbacks for feeds.
• Disabled the comment RSS checkbox for taxonomy terms since its functionality is not currently enabled.
• #842510: Do not add comment RSS feed when on administration pages.
• Removing translation directories
• Stripping CVS keywords
• by Dave Reid: Use DATE_RSS instead of DATE_RFC2822.
• by Dave Reid: Minor @file documentation improvement.
• by Dave Reid: Re-order some code in commentrss_init() so that more than one comment RSS feed can be added on the node page.
• by Dave Reid: Fixed use of relative URLs instead of absolute URLs in the RSS links.
• by Dave Reid: Rework commentrss_init() and add an access callback helper commentrss_node_feed_access().
• by Dave Reid: Use gmdate() instead of format_date() or date().
• #581542 follow-up by frjo, Dave Reid: Fixed the parameter passed into format_rss_item().
• #581542 by toemaz, Dave Reid: Fixed improper output of commentrss_format_items().