modified Gemfile to deploy on Heroku
fotgot bundle install, so i did.
removed sqlite3 from Gemfile
add sqlite3 to Gemfile
Make a basic User model ( including secure passwords ) Chapter6
Chapter6 Exercise1
modified coding style in some files
Finish user signup Chapter7
Add SSL in production
modified installed gem
comment out sqlite3 from Gemfile
Chapter7 Exercise1 done.