Fixes #9733: add JS code to name browser tabs individually. New GET variable 'tabUniqId' on record acquire is now saved in dirty record. On page reload, when the 'release' comes after 'acquire' (async behaviour), the locking is skipped (if same user session) - on reload there is no variable 'tabUniqId'. On real lock acquire, the tab ID is compared and will be denied if not matching. The 'tabUniqId' might not work in IE - doesn't matter: it's a seldom special situation.

Drag'n'Drop broken: after refactoring Support.php, the drag'n'drop was broken - '$store' wasn't initialized.

Refs #9691: Radio Plain um HTML Attribute 'required' auf input element erweitert. Element erzeugt aber trotzdem kein 'invalid form' wenn nichts angegeben ist.

Refs #7974: attribute 'readonly=false|readonly' - tinyMCE & textarea ok. Broken on dynamic update: 'checkbox|radio'.

Implements #9679: formModeGlobal is now also used via STORE_USER - set formModeGlobal systemwide for a specific user (session).

Remove ' style="font-size: 1em;"' in extraButton - this causes extra space between multiple extraButton inline in one input element