Add model user
Merge branch 'master' of https://github.com/litmon/css_puzzle
Merge branch 'mon'
Modify form design.
fix conflicts
Set callback render
Merge branch 'master' of github.com:litmon/css_puzzle
Rename sessions_controller
Add user registrations
Fix index
Fix conflicts and Add login_link to layout.
Remove .env
Add column html to puzzle #12
Rewrite seeds
Merge branch 'mon'
Remove signup link to puzzle app
Annotate columns
Add column icon(url) to user
Completed #13
Create home & welcome page #11