[#28329] Joomla Update component requires Purge Cache to change Update
Server
Prepare for 2.5.4 release
Remove install checks
[#28354] Problem logging out if Public group has admin login permission
[#28342] *New joomlaupdate component has no icon in admin menu +
missing lang string
[#27772] Selecting 'Install Sample Data' button causes 'invalid security
token' error message if 'Next' button clicked too fast
Fix CHANGELOG
 # [#28345] Call to member function of non-object: setDebug(). Thanks
Don.
Backport joomla/joomla-platform#1098
[#24839] Incorrect tooltip for Sticky column icons in Banner Manager: Banners
[#28360] Get rid of assign() and assignRefs() uses in view: Installation
Merge pull request #173 from mbabker/JInputFiles

[#28343] Backport JInputFiles fix from Platform
[#28305] Remove a few unnecessary import() calls. Add a missing import().
Merge branch 'master' of github.com:joomla/joomla-cms
Fix typo in [#24839]
Correcting changelog
 # [#28287] Fix some differences between platform and cms. Backport CSS
changes. Thanks Rouven
 [#28384] Duplicate 'home' in breadcrumbs in a multi-language site.
Thanks Nuno.
[#28336] e-strict error in com_messages
Fix hard-coded version number in system test