Merge branch 'release-2.3.3' into develop
Updates copyright year
Bumps tested up to
Adds Ukrainian translation
Removes tests lib submodule
Update Unit Test environment
Ignore .DS_Store files
Rename file for conversion to bash
Adds asset icon
Update pot file
Update Swedish translation
Bumps tested up to, to v4.0
Bumps version number.
Update changelog
Merge branch 'release-2.3.4'