Add diagrams for has-many-through and habtm associations
Add diagrams for has-many-through and habtm associations

9618211/framework-1,9618211/framework-1,williamn/framework,maintainable/framework,maintainable/framework,9618211/framework-1,williamn/framework,williamn/framework,maintainable/framework,maintainable/framework,9618211/framework-1,williamn/framework