Features
--------
- #126333 Update to Views 1.6 API
(no need to update cached queries on field setup changes anymore)
- #126776 Enhance 'default value php code' help text and error message.
- minor - collapse 'default value php code' if empty
Bugs fixed:
o #111881: change 'user' table to use INNER join because every node has an author
o #102716: Reduced the number of JOINs for taxonomy hierarchy queries
o #74541: Improved handling of role filtering.
o #103649: Documentation fix fix for date granularity
o #119742: Improved handling of DISTINCT; allow DISTINCT to not kill summaries.
o #111936: Allow search keyword to be optional.
o #116985: Fix channel link in RSS feeds.
o #122103: Fix blank titles of blocks exported by views.
o #118069: Move the query cache into the real cache. This should clear up a few caching problems.
o #122818: Incorrect use of fullname when queryname should have been used
o #108523: Properly validate that filter values need values selected.
o #122063: Prevent strtotime from choking on empty timestamps
o #116190: Book parent didn't work with prefixes
o #73183: More missing t() in default views
o #88947: If NULL query don't try to run it at all.
o #113332: NULL entries for vocabulary summaries with nodes without terms.
o #119082: Fixed a problem with view titles on the admin page.
o #119921: Recent comments block had incorrect filter, causing nodes with just 1 comment not to show up.
o #119463: Double check_plain on breadcrumbs for Views' titles.