linkchecker 6.x-2.4

Release notes

* #566388 by wimh, hass: Re-check link status on next cron run
* #632732 by sleepcamel, hass: Add a message to $node->log when saving a new revision
* #627774 by charmer: Linkchecker Czech Translation
* Replace word "node" in text with "content" for easier translation
* #580248: Prevent link check failure if 'max_execution_time' = 0 (unlimited).
* Blacklisted "smileys/0" filter as the URLs are maintained in the Smiley module settings
* Fixed wrong variable name in single comment import function
* Updated README.txt
* Cleanup / refactoring _linkchecker_extract_links()
* #563464: Internal links reported as broken incorrectly on SSL only site. Use $base_root as site URL for prefixing absolute internal URLs.
* E_ALL saver...
* Better menu item description, D7 backport.
* Dynamic destination for user broken links page
* Use theme function for item_list
* Dynamic colspan for no data
* Joined wrong fields in user report with comments enabled
* Filters do not run on content as expected.
* db_last_insert_id('boxes', 'bid') could return a wrong value if other contrib modules add block hooks and insert something in other tables.
* Make all count() upper case
* Show items in a list
* Filter $link->error for arbitrary code
* #532178 by hass: Database update #6209 failed
* #196862 by hass: COUNT(*) is an expensive query in InnoDB.
* Added links extraction .test
* E_ALL: Fixed notice for undefined $node->language.
* E_ALL: Fixed notice caused by array_map(md5, $links)
* Typo fixed
* Changed unique key and column name 'token' into 'urlhash'.
* Added filter blacklist for link extraction.
* Remove reference to $form_state in hook_form_alter()
* Fix comments
* Add $node->type check
* Added support for node type 'weblinks' from 'weblinks' modules