2) Support for ACL rules on L2VPN and L3VPN
3)Display ACL rules in WebUI

1) Multivendor functionality
2) Working with dynamic templates

- Updated Netconf/OpenConfig log messages

- Updated Netconf/OpenConfig descriptor files
- Normalized variable names in OpenConfigDriver
- Minor code cleanup

- Reduced log level in some messages

- Corrected driver instantiation/selection

- Corrected license header files

- corrected error message placeholder misalignment

* Support TeraFlow 2.0 changed service URL format
* Support TeraFlow 2.0 persistence (handle delete requests for persisted objects properly)

- Restored execute permissions

- Added/Updated headers
- Added script to update copyright headers

- Added logic to update endpoints manually for P4 devices

- Emulated driver: minor fix to support dot-based endpoint names

- Removed unneeded debug log message

- Removed workaround

- added statement to ignore empty of not-found config rules from drivers

- improved translation of raw config rules from drivers to update device config

- EmulatedDriver: Corrected REG-EX expression
- Removed unneeded import

- added update of endpoint monitor resources with UUIDs

- Added conditions to prevent reaching the driver when there is noting to configure/deconfigure

- corrected parameters for composing config rules considering previous values
- corrected unitary test for deconfigure

- implemented support to compose resulting rules considering previous values

- testing CI pipeline, added log messages

- Improved update of ConfigRules changed in Context

- corrected parsing of endpoints to improve flexibility in retrieved fields

- added basic support for HTTPS
- added optional support for authentication

- updated requirements

- updated requirements