Show loading message while loading edit single column structure
Add rfe #1422 [interface] Provide feedback if no columns selected for multi-submit
Fix Ajax problems introduced with 14eb3c32, correct spacing for column editor
Fix notice Undefined index: old_usr in AuthenticationHttp.class.php:162
Re-add dropped calls to PMA_verifyColumnsProperties, prevent double event handlers for append fields form submit
Show Ajax error message when updating table columns fails
Translated using Weblate (Hebrew)

Currently translated at 23.1% (601 of 2605)
Fix bug #3799 [interface] Incorrect select field change on ctrl key navigation in Firefox
Merge remote-tracking branch 'origin/QA_4_0' into QA_4_0
Merge branch 'origin/QA_4_0'

Conflicts:
	js/keyhandler.js
	js/tbl_structure.js