CFY-1318 transform interfaces to dict, and use tosca defined operation mapping
CFY-1318 fix interfaces mapping in test
CFY-1318 allow for no-op mapping both in template and in node
CFY-1318 no-ops will now be mapped to an empty dict in the operation struct
CFY-1318 remove interfaces from node_template in tests for node_types
CFY-1318 fix and add tests
CFY-1318 remove header from yaml files
CFY-1318 rename files
CFY-1318 added tests
CFY-1318 add tests
CFY-1318 cleanup code
CFY-1318 cleanup code
CFY-1318 cleanup code
CFY-1318 cleanup code
CFY-1318 cleanup code
CFY-1318 cleanup code
CFY-1318 move INTERFACES constant to constants
CFY-1318 code cleanup
CFY-1318 code cleanup
CFY-1318 code cleanup