#461842 by dereine: Use gmtime() instead of format_date() to prevent localization of dates in RSS feeds.

#420340 by derine: Translate node type filter.
#325796 by yang_yi_cn: Translate node type argument.

#400914 by joachim: Add a link field to get to comments for a node that works just like the normal links.

#388952 by nikita@protsenko.com: Ensure taxonomy term validator sets the validated title when available.

#342215: Occasional "holes" could appear in taxonomy term field causing query errors when relationship is used but not present.

Followup search updates including letting the score field have an option to set another field as the default tablesort if it is set to the default tablesort.