update gemfile + postgresql database
initial commit
add static pages controller
add fulltitle helper
finish layout and routes
make a basic user model including secure password and account status
email.downcase! in user model
first signup
finish user signup
finish signin-out
creating report
finish create report, show report begin
finish create report
admin first commit
active user
thiet ke csdl
finish group control
finish gen excel
some conventions
ruby coding convention