Added a check to make sure all ServiceSpecCharRelationships are not null

See merge request !13

Resolve "Increase coverage in TMF634"

See merge request !10

version per osl component from parent

See merge request !6

Merge branch '14-modify-the-way-the-status-of-a-service-in-inventory-is-determined-when-a-supporting-resource' into 'develop'

Resolve "Modify the way the status of a Service in inventory is determined when a supporting resource changes status"

See merge request !9

Fixed Unit tests for TMF API

See merge request !8

Merge branch '12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry' into 'develop'

Resolve "Create a pipeline to build and publish the docker image in gitlab registry"

See merge request !7

Merge branch 'develop' into '12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry'

# Conflicts:
#   .gitlab-ci.yml