Fix for JDatabaseQuery->union method.  See #32995.
Also minor corrections and improvements to docblocks for union methods.
Removed redundant union clear test.  Added union object test.
Invalid attribute width inside <tr> and additionally obsolete attributes

An invalid attribute within <tr> was found. In addition, I removed several attributes which its use is discouraged in HTML5.
Corrected test and added two more.
Removed two redundent tests.  Updated copyright date.
First draft of adding event to allow dynamic commercial updates and
installs
Simplified version, always fire onInstallerBeforeDownloadPackage event
before downloading a package
Even simpler, removed unused params
Restored mistakenly removed comments from original Joomla! code
Merge branch 'staging' into auth_update
Merge remote-tracking branch 'joomla-cms/staging' into auth_update
Fixing Contact routing in search

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32544&start=0
Making link clickable for Twofactor Auth

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32632&start=0
[#33256] downloaded vcard is empty
Removed duplicate items-more div, it's already in blog.php
Fix E_STRICT error with method declaration
[bug] #33287 Contact creator wrong error behavior
Update default.php

Correction for correct publish filter when clicking on badges
Removing a leftover </span>

An orphaned `</span>` has been found and returned to the storage for future use.
Merge pull request #3140 from Bakual/RemoveClosingSpanFromBreadcrumb

Removing a leftover </span> from mod_breadcrumbs