User login done. TODO. User registration, css.
User can log in and out
Removed error message div if no error
Adding 404 and 500.html
Done user registration
Some more tweaks: registration done
Redirected newly registered user to home instead of rendering
Added grey placeholder text in form inputs
User can get random post
User can update random post. TODO. Un/hide random posts
Random posts hide and edit forms unhide on click
Done post styling