- updated to new Method Wrapper API

Performance Evaluation Framework + Helper Tools

See merge request !36

- extended grpc-to-enum tool to support arbitrary enum item names
- added PolicyRuleState enum model
- misc minor comment corrections
- misc import reorderings
- migrated Connection model and methods
- migrated PolicyRule model and methods
- removed unused files

- minor cosmetic changes

- updated policy rule object factory
- updated rpc method wrapper decorator's duration buckets

- moved relational models to associated classes
- migrated support for slice subslices
- added filters to prevent upsert when there is nothing to update

- removed old code
- implemented basic support for Slice entity
- implemented detailed perf eval report in unitary tests

- Implemented Debug API
- Implementing unitary debug API tests

- corrected ConfigRuleModel and methods
- corrected ConstraintModel and methods
- corrected ServiceModel and methods
- corrected ServiceEndPointModel
- added missing non-null constraints
- removed redundant column definition data
- removed unneeded lazy loading parameters
- added Service UUID generator
- implemented unitary test for Service entity

- relocated database methods
- corrected models to use single-column primary key
- corrected test cases

- cleaned up script run tests locally
- temporarily added script to automate test & coverage reporting
- reorganized unitary tests
- migration in progress to use single-column primary-key for main entities
- intermediate backup ; work in progress

- added field "name" to endpoint

- updated coveragerc template file
- extended and improved rpc wrapper set of declarable exceptions
- updated default context and topology definition constants

- reorganized code spliting database models, enumerations, and operation methods
- separated unitary tests per entity and defined order between them
- separated unitary test for fasthasher
- modev old code to separate folder

- cosmetic changes in RPC method wrapper

- progress on migration to CockroachDB (partial)

- updated manifests to v22.2.0
- renamed namespace to crdb
- added script to launch cockroachdb client

- added results

- partial code implementation

- updated manifest
- corrected README.md notes
- corrected script run-tests-locally
- partial code implementation

- added support for microwave services
- removed DLT from default list of components
- added support to re-use endpoints in a single device for multiple connections

- corrected service resource keys
- corrected endpoint count in set/delete endpoint methods

- added support for user/pass basic authentication
- added HTTP schema settings
- added field to filter desired underlying devices under management
- corrected endpoint uuid composition
- improved error handling
- improved retrieval of existing services

- removed incorrect instruction