Updating release notes for 1.14.0

Preparing for new release.

Create ci.yml

Update for 1.12.5 release.

Updating for 1.12.4 version.

Preparing for version 1.12.3 stable release.

Updating appdata.xml and translation files.

* Updating appdata 1.12.1 release date.

Updating translations.

Updating version number for resubmission.