Update version of dependent rails
Change file structure of generators and templates
`bcrypt-ruby` is now `bcrypt`
Add license to goma.gemspec
Simplify confirmable config
Fix fatal recoverable bug
Add find_by_identifier method
Fix a bug which ignore scopes when reading config

in generate_*_token method for models
Change mailer class to mailer class name in config,

which stops raising errors when it is not created yet.
Make attribute of token to send user configurable
Make redirect_back_or_to aware scope
Implement scaffold generators
Use git in gemspec to specify files precisely.
Remove attr_accessor for password_confirmation
Edit README.md and add comments a little bit
Delete *.swp in .gitignore

which should be ignored globally
Add post install message
Bump version number to 0.0.1.beta
Remove unused gem