Micropost basic model - 10.1.1 done
User/Micropost associations - 10.1.3 done
Micropost refinements - destroy  - 10.1.4 done
Micropost content validations - 10.1.5 Content validations
Show microposts in user profile - 10.2.2 done
Microposts access control - 10.3.1 done
Creating microposts - 10.3.2 done
A proto-feed - 10.3.3 done
Destroy microposts - 10.3.4 done