initialize new rails app
create a new Admin model
integrate devise gem
send mail to new admin for reseting password
add CRUD of Admin
remove temporary files
current logged in admin cannot delete or destroy himself
add bootstrap-sandbox theme
Fix admin cannot sign in when disabled
Initial review
remove unused gems from gemfile + add instructions in readme file
modify views and add theme stylesheet
change database and add constraint to admin model
create staging environment
refactor code in AdminController + add callbacks in model
remove unwanted files
remove unused gem
remove commented lines + add min.css to theme.css
remove block from the callback
modify theme and css