change .gitignore

add ".DS_Store" to .gitignore
add some gems
generate rspec files
add config of Database Cleaner for RSpec
add "thin"
change login form
deactivate "registerable" module of devise
change layout

remove all links if a user is not singed in.
add the step to seed development database
change the "seed" step to read all "*.rb" files
add flash messages to layout file
add dismiss functionality to all alert messages
add "twitter-bootstrap-rails" gem
delete flash.js.coffee for flash messages

This file is used for dismiss functionality to all alert messages.
This functionality is included in bootstrap.js.coffee that is installed by "twitter-bootstrap-rails"
install 'twitter-bootstrap-rails'
change create_employee method

to associate 'user' with 'employee', change 'Employee.new' to 'Employee.create'
add seed file of User table
change lyaout
Merge branch 'master' of https://github.com/takuyamaeda/Saitama

Conflicts:
	app/views/profile/index.html.erb