Merge branch 'release-1.2.0'
Add release tag to source in spec file

- Add release tag to source in spec file as the versioning scheme has
  changed to make use of the release tag.
Bump release number for spec file change
Merge branch 'hotfix-spec_v_number' into dev
Merge branch 'dev' into testing-1.3.0

Conflicts:
	apel.spec