created the initial micropost model and a simple test to verify the model
added a micropost factory
created associations between a user and a micropost. added appropriate tests to test the relationship
added tests to validate the content value. also added validations in the micropost model to get the tests passing
added a micropost partial view
added the ability to show a users microposts
added tests to ensure the microposts are showing properly for a user
added logic to display a users microposts
added logic to create sample microposts
fixed a syntax issue
added styling for microposts
added routes for microposts
refactored the signed_in_user method to the sessions_helper class since the microposts controller needs to access this method as well
created tests to check to make sure only logged in users can create or destroy microposts
fixed a typo
added a micropost controller
added a micropost instance variable to the home action
filled in the create action
modified the home page to show the micropost form for a signed in user
added 2 new partials for the home page