Issue #2146127 by hass: Notice: Undefined variable: format in
Issue #1334056 by Alan D., hass: Undefined indices in
linkchecker_parse_fields() and _linkchecker_add_node_links()
Issue #2125719 by hass: Links in unpublished nodes are still checked
Issue #2088461 by fonant, hass: PDF link with #page= results in "URL
fragment identifier not found in content"
Issue #500866 by hass: Remove t() from assertion messages in tests
Added Smileys filter (http://drupal.org/project/smiley) to blacklist
Issue #1306498 by hass, evolvingweb: Remove unnecessary
hook_requirements in linkchecker.install
Added Smiley module and Web Links modules to filter blacklist.
Wrong year in changelog
Issue #1923328 by larowlan: Fragment check fails when source page
contains spaces between attribute name, equals and value.
Issue #1923328 by hass: Notice: Undefined property:
Linkchecker does not handle link cleanup on 'link' fields
Issue #1926558 by hass: Block extraction re-scans fail.
Issue #1926558 by hass: Block extraction re-scans fail
Updated changelog for release
Code style review and fixes (minor level)
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