[fix] Code style errors
 Fix issue [#30803] Strict Standards: Declaration of ModulesModelSelect::getItems()
Update popup-imagemanager.js

Bugfix in mediabrowser, fixing the javascript issue so you can select directories now!
Use JText to translate extra fieldset labels
Merge pull request #1704 from herophuong/patch-2

[#31708] Use JText to translate extra fieldset labels
Merge pull request #1675 from blubbfish/patch-1

Update popup-imagemanager.js
Merge pull request #1475 from gunjanpatel/code_style

[fix] Code style errors
Update changelog.
Merge pull request #1499 from nharedweb/fix_iss_30803

 Fix issue [#30803] Strict Standards: Declaration of ModulesModelSelect:...