Added debug page with Ruby version
Added user agent to debug
Added queued job count to debug
Fixed typo
css: Display story img as it is

In story, imgs may be inline or floating, so it seems better not to set
any css for them.

`clear: both` is also added at `.story-actions-container` to prevent
floating img out of content area.
Added migration status to debug page
Use constructor injection to avoid stubbing ActiveRecord::Migrator
Merge pull request #207 from JackC/debug

Added basic debug page
Fix typo in debug_controller_spec.rb
Merge pull request #209 from JackC/debug

Fix typo in debug_controller_spec.rb
Merge branch 'pr/204'
tweak image styles, add special-cases for wordpress generated styles
fix css