Add e3 build to pipeline

This MR adds build capabilities to the pipeline. I have here gone for the easier "test" which builds the module (immediately if the pre-commit job is successful) to the shared build server, and which then has a manual stage before deploying to production (/TN). Another option - which is better since it is isolated and doesn't duplicate processing but that requires more work for us to implement support for - is to try to read pipeline statuses relating to the latest pipeline ID for a given/defined reference.

Note that I am cancelling all jobs since the e3 package available in the artifactory is version 1.1.0 which doesn't exclude already-installed installed versions from the build definition!