[BUG] fix route path, there's no route
fix notice message
Add css and html for alert
Add flash if params are missing

refs: http://gyazo.com/8d91dcd6972a0ec9a9abffab21b80311
Change notice color as white
remove empty space
Modify pattern expression of snippet message for maintainancability
Add exception_notification
Add configration for ExceptionNotifier
Merge branch '#100-fix-route-bug'

* #100-fix-route-bug:
  Add configration for ExceptionNotifier
  Add exception_notification
  remove empty space
  Change notice color as white
  Add flash if params are missing
  Add css and html for alert
  fix notice message
  [BUG] fix route path, there's no route

Conflicts:
	app/assets/stylesheets/css.css.scss
Revert "Add exception_notification"

This reverts commit 7971536bf6c94f3e36556105a0a2858f9f3fc535.
Revert "Add configration for ExceptionNotifier"

This reverts commit 0de7384011687ee911dd7a8967dda0e993dbe88a.
Add .ruby-version to be compatible with Ruby2.0.0-p0
Revert "Revert "Add configration for ExceptionNotifier""

This reverts commit 6604378dbc244de8359f10c18be0f0c428f88bfb.
add exception_notification

refs: http://qiita.com/items/2039bcac71a9b11825b1
fix strong parameters when signup
since rails4, mysql is strict mode, so loosen it
Merge pull request #104 from iiirc/fix-strong-parameters-when-sign-up

Fix strong parameters when sign up
ChangeEmailToUsers have not been downable
Merge pull request #105 from iiirc/downable-change_email_to_users

ChangeEmailToUsers have not been downable