image_tag demands numbers as strings
Add Rack::Deflater middleware

[ci skip]
Update sign in/out navbar buttons

[ci skip]
You don't need a link to your own profile

[ci skip]
Add test:coverage task and only load SimpleCov in that task
Use Rails 4-0-stable branch
Remove fixtures directory
Ignore precompiled assets
Cleanup tests
Signed in users don't need a home page
Update navbar
Add render_html method to covert markdown to html
Test active_page?
Move errors partial
Update gems
Remove ruby version from Gemfile