Assignments #21-25

Rapid Prototyping with Ruby on Rails - Lesson 1
- Assignment: M:M between Post and Category
- Assignment: Verify with ERD Diagram
- Assignment: Read ActiveRecord Association Methods doc
- Assignment: Play with Associations
Assignments #26-29

Rapid Prototyping with Ruby on Rails - Lesson 1
- Assignment: Read Routes tutorial
- Assignment: Read Layouts and Rendering
- Assignment: resources :posts
- Assignment: PostsController