change class names according to expected names
add 'isAdmin' to JApplicationCms mock methods
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.
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
Update joomla.sql

Fix default value for the parameter guest_usergroup. This fix could be treated as security fix - if site has wrong value for the guest usergroup (13) and site already has the usergroup with such ID with administrator permissions - all of them would be administrators.
Update joomla.sql

Fix incorrect default value for guest_usergroup for PostgreSQL
Update joomla.sql

Fix incorrect default value for guest_usergroup for SQL Server
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.
Add support for checking minimum PHP version in XML update stream

This introduces a <php_minimum> tag which should indicate the minimum supported PHP version of an extension
Optimize version_compare check, thanks @dongilbert
Add message if an update is available but unsupported
Install files
Update files
Restructure PHP version check
Merge remote-tracking branch 'joomla/staging' into phpUpdateLib
Prevent saving Content Language Access as Guest