BLK-199 Initial SNMP block
BLK-199 Update readme
BLK-199 Skip unit tests using real servers
BLK-199 Change oids to List property, move out integration tests, remove nio specific info, add __init__
BLK-199 Create default _create_data method in base class
Merge pull request #1 from nio-blocks/feature/snmp_block

BLK-199 SNMP block