Remove scaffold.scss.css.
Fix #2  Change Goal to Canvas.
Modify puzzle.scss only apply puzzle-page.
create some models related to puzzle
annotate schema
rename puzzle_controller.rb -> puzzles_controller.rb
Fix Autofocus To input.
Merge branch 'master' of github.com:litmon/css_puzzle
Add underscore-gem
Fix Puzzles controller.
Add model relational options
Modify design.
rename some files
remove some columns
fix conflict
Add routing and show-view
Setup production settings
update gemfile
Add puzzles#new.
Fix Puzzle controller.