add devise gem to the project
add mongoid and bson_ext gem to the project
configure application.rb file in order to support mongodb
remove dependences to active record
remove sqlite from gemfile
generate devise install
add user mvc stack created by devise
add name field in user model
add haml gems to gemfile
add route root in routes file
reorganize gems in gemfile
move aplication.js to main.js
create js manifest file as a application.js
add resource_name, resource and devise_mapping in app helper
add config parameters in application.rb file
move index page from application to home dir
add name field in new session form
delete unnecesary js files, add jquery-ui-rails gem, and add require jquery.ui.all line to application.js manifest
convert main layouts from erb to haml and recerence js assets in this files
move application.css to main.css