Remove var, tmp, db/*.sqlite3 from index
Modify .gitignore file.
Modify Gemfile.

Install and update bundle.

Create secret token dynamically.
Use RSpec test unit
Collect typo
Remove user resource.
Remove micropost resource.

Add static_page.
Add test for static_pages
Add contact page.
Add about page.

Modify static page test.
Merge pull request #2 from mulodo-japan/rails_chapter3

Rails chapter3