Update version & changelog for 4.3.1 release

Update to version 4.3.0, update changelog

Fix BASE_PATH for frozen macOS app

Update to 4.1.1

Merge pull request #758 from serg-z/serg-z/prioritize-dialog-multi-se…

…lections

Prioritize dialog: adding/removing multiple items, adding/removing on double clicking an item, drag-n-drop fix

Remove RC from changelog version

Adding RC would require updating other scripts to support it.  For the
purpose of the changelog just using 4.0.4 should suffice.  Might Add
support for this later.

v4.0.3

v4.0.2

Update po from code