initial commit - first controller
changed placeholder text and added root route
add posts resource
add posts controller
add view for new posts
change URL for post create form
add create action to posts controller
add Post model + migrate
allow post saving
set param permissions for posts
add posts index
add link to blog
add some links
add validation for post title
handle errors in post creation
show errors in post creation
add edit functionality for posts
make form partial and add post destroy
add Comment model and migrate
add post-comment relationship