add missing spec on User#send_reset_password_instructions!
send approval request to admins
send approval request once a day
rename AccessToken.delete_expired -> delete_expired!; use runner instead of rake task in whenever config
Merge pull request #86 from iTakeshi/approval_request

Approval request
fix typo
update packages
update 404 page
error text
超秘伝のタレ
add validation directives
implement validation for login
implement validation for signup
update packages
remove duplicated declaration
Merge pull request #88 from endaaman/validation

Validation
Merge branch 'master' into i18n
remove i18n_generators
setup translation file