Fixes#40650Fixes#40245Fixes#41541
* Refactor netconf_config module as per proposal #104
* Update netconf_config module metadata to core network supported
* Refactor local connection to use persistent connection framework
for backward compatibility
* Update netconf connection plugin configuration varaibles (Fixes#40245)
* Add support for optional lock feature to Fixes#41541
* Add integration test for netconf_config module
* Documentation update
* Move deprecated options in netconf_config module
* New ansible module netconf_rpc
* add integration test for module netconf_rpc
* pep8/meta-data corrections
* usage of jxmlease for all XML processing
separation of attributes "rpc" and "content"
* removed unused imports
improved error handling
* fixed pep8
* usage of ast.literal_eval instead of eval
added description to SROS integration test for cases commented out