Add CAMP type_defnitions and attribute_defintions resources

Implements: blueprint solum-camp-api

https://blueprints.launchpad.net/solum/+spec/solum-camp-api

Change-Id: I49f91a9a672f5128ac9c2d6c81b2cd48df168c98
Merge "Add CAMP type_defnitions and attribute_defintions resources"