Main page:
- Change page title to "ETSI TeraFlowSDN Controller"
- Add slogan "Open Source for Smart Networks and Services" next to the logo (on top)
- Change Logo and Icon

About page:
- Change title to "ETSI TeraFlowSDN Controller"
- Remove link "TeraFlow H2020 webpage" and add link "ETSI Open Source Group for TeraFlowSDN" pointing to: https://tfs.etsi.org/
- Remove partners logo

Service detail page :
- Show correct Service Type instead of integer
- Show service status
- Format configurations as in device details
- Format constraints as in device details
- Add constraints
- Format endpoints and add device uuid

Service page:
-Remove constraints

Link detail page:
-Add device uuid to the endpoints table

- corrected constraint display in service list page
- added list of connections related to service in detail page
- added detail of links
- improved look and feel of device detail page
- added feature of loading services through  JSON file

Fix unitary tests to align with changes in monitoring component information model.

Fix monitoring loops to align with changes in monitoring component information model.

- fixed parsing of custom rules in unitary tests

- Added missing log dump in unitary test

- added exposition of redis-tests service for testing with Redis backend
- moved delete logic from Context Servicer to ORM components
- added support for constraints of different kinds

- added helper methods to copy/update grpc messages: config_rules, constraints, endpoint_ids, service_ids
-  extended Context ConstraintModel to support different types of constraints
- extended EndpointModel with get_endpoint helper method
- extended SliceModel to incorporate config rules

- Fixed wrong imports

- Arranged requirement versions of L3 CentralizedAttackDetector
- Fixed object names in L3_* manifest files
- Corrected error with log file name generated for deploy stages during TFS deployment.

Adapted L3_AttackMitigator/L3_CentralizedAttackDetector/L3_DistributedAttackDetector to common proto folder

- Arranged Dockerfile COPY commands

Adapted L3_AttackMitigator/L3_CentralizedAttackDetector/L3_DistributedAttackDetector to common proto folder
- Moved imports from *.proto folder to common.proto folder
- Removed genproto.sh scripts
- Arranged requirements to accelerate Docker image creation
- Minor code and linting fixes
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

- common.tools.timestamp.Converters