Bundle update better_errors.
bundle update delayed_job
Make sure database is migrated before travis run.
Use bundle exec to migrat database.
Revert "Bundle update better_errors."

This reverts commit d84462e4be04c2b7a25c8e20c0e24fd1336b3644.
Update twitter bootstrap.
use rake db:test:prepare instead of db:migrate.
Let CSV guess input file.
Revert "Let CSV guess input file."

This reverts commit 4bcc948b7eddee360f18850c83431b6dff93f3dc.