Pull request #3: vhallivu/teraflow cm support

Merge in XRCA/teraflow from vhallivu/update_cm_authentication to xr_development

Squashed commit of the following:

commit 6a7069ded9b899afe4c9a218f1062da5c69782e4
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Fri Aug 12 07:51:32 2022 +0300

    review + lint fixes

commit f02d6f4ce42f909067a2570daff136e1ed0c7bbd
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Thu Aug 11 14:39:12 2022 +0300

    XR connection delete support

commit 81c3aae5ba105f6650f5392f438200c4b505eea1
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Thu Aug 11 12:39:29 2022 +0300

    Create services to CM

commit 56b3fb3acfc3281b3b3136269163697ca679913c
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Thu Aug 11 11:17:28 2022 +0300

    Improved connection management code, code refactoring

commit 46ef072679ffd37c22c4bf959bb8ba009cf4a082
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Wed Aug 10 17:30:27 2022 +0300

    More support for connection management

commit 49a2762abd7c1c8adafd666624b31976281d3860
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Wed Aug 10 15:52:17 2022 +0300

    Refactored CM connection, now using CM if database

commit 1b404f2c10befeecb48a7a2278f5e9ec60c25d9a
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Wed Aug 10 14:14:03 2022 +0300

    Start of refactoring of CM connectivity

commit 8ec8251bafbba559a4881e50be0aa068340fe536
Author: Ville Hallivuori <VHallivuori@infinera.com>
Date:   Tue Aug 9 16:37:49 2022 +0300

    Improved CM authentication