Add letter_opener, letter_opener is dummy mail send library
Add config for use in letter_opener
Execute 'rails g controller profiles'
Add routings for profile controller
Remove pry-debug because pry-debug has bug
Create user settings page, but It is not complete language selector and change email, password page
Fixed spec, change edit path
Created change email address page
Fixed paths on navbar
Fixed key for I18n
Change link from change interface to settings on navbar
Fixed key
Merge pull request #86 from sachin21/create_user_settings

Create user settings