First step of cleaning ACL edition rendering code.
Next steps:
- Move styling to CSS
- Move some computing back to PHP to simplify the template

Then it will be easier to tweak ACL rendering to remove unused ACLs like
 archive:r and such.

issue #6119

Resolve "Check locale availability upon configuration save"

See merge request fusiondirectory/fd!817

Language::isAvailable now also work if you pass a lang without charset.
This fixes the language field of configuration screen.

issue #6051

Make sure the error is tagged as coming from language field

issue #6051

Remove trailing ">"

issue #6051

Resolve "Cleanup lock system"

See merge request fusiondirectory/fd!814

issue #6120

Resolve "Add core features for Archive plugin"

See merge request fusiondirectory/fd!813

issue #6119

Also reworked lock conflict dialog a bit.

issue #6119

issue #6119

Used by archive plugin

issue #6119

This avoids having to check ACL for every action in management class

issue #6119

48px comes from breeze theme.
16px is a copy/paste of package-x-generic

issue #6119

issue #6119

issue #6119

Merge branch '6115-warning-array-and-string-offset-access-syntax-with-curly-braces-is-deprecated' into '1.4-dev'

Resolve "Warning "Array and string offset access syntax with curly braces is deprecated""

See merge request fusiondirectory/fd!810

register_globals was removed in PHP 5.4, and zend.ze1_compatibility_mode
 was removed in PHP 5.3, so it makes no sense checking for their value in
 the setup.

issue #6115

Resolve "Use docker images from our registry"

Closes #6117

See merge request fusiondirectory/fd!811

Exclude also html/plugins/users/images for sonar

Exclude favicon and contrib for sonar

Exclude all directories under html/images for sonar

Exclude html/images/ for sonar

Add breezy directory as exclusion for sonar-cli

Use last version of sonar-cli:4.4.0.2170

Use our own registry for our docker images

Resolve "Review dialog classes"

See merge request fusiondirectory/fd!805

issue #6072

There was a logic problem when calling readPost/update closes the
 dialog, the edit_finish POST value was read twice - by the opened
 dialog and by the copypasting logic.

issue #6072

issue #6072

issue #6072

issue #6072

Management dialogs tend to close themselves from readPost method, so
 after calling readPost we need to check the dialog is still there before
 calling update.

issue #6072

issue #6072

issue #6072

issue #6072

issue #6072

issue #6072

issue #6072