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
Query-fix in com_content article modal

This change prevents the query from being executed when the value is 0. There is never an article with ID 0 and especially when there are more than one modal select per page, you have several unnecessary queries.
Merge remote-tracking branch 'joomla-cms/staging' into auth_update
Fixing codestyle
Fixing codestyle
Fixing Contact routing in search

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32544&start=0
If banned list contains "word;" it rejects every message

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32639&start=0
Making link clickable for Twofactor Auth

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32632&start=0
Update contactemail.php
Update contactemailsubject.php
Improving Contact modal field