Renamed FLEXSCALE SBI Driver to Optical TFS SBI Driver

proto/context.proto

src/common/type_checkers/Assertions.py

src/context/service/database/models/enums/DeviceDriver.py

src/device/service/drivers/__init__.py

src/device/service/drivers/ietf_l2vpn/TfsDebugApiClient.py

src/device/service/drivers/optical_tfs/OpticalTfsDriver.py

src/device/service/drivers/optical_tfs/Tools.py

src/device/service/drivers/optical_tfs/__init__.py

src/policy/src/main/java/org/etsi/tfs/policy/Serializer.java

...a/org/etsi/tfs/policy/context/model/DeviceDriverEnum.java

...icy/src/test/java/org/etsi/tfs/policy/SerializerTest.java

src/service/service/service_handler_api/FilterFields.py

src/service/service/service_handlers/__init__.py

.../tools/mock_tfs_optical_sdn_ctrl/MockTfsOpticalSdnCtrl.py

src/tests/tools/mock_tfs_optical_sdn_ctrl/data.py

src/tests/tools/mock_tfs_optical_sdn_ctrl/run.sh

src/webui/service/device/forms.py

src/webui/service/device/routes.py

src/webui/service/templates/device/add.html

src/ztp/src/main/java/org/etsi/tfs/ztp/Serializer.java