Merge pull request #32 from openplans/staging

Shareabouts 0.2.0
Add password_reset functionality
- Create an app for password resetting
- Add a reset request model
- Add templates for reset emails and forms
Add a link to the password reset request form
Remove older email settings
Merge pull request #33 from openplans/password-reset

Add the ability for users to reset their password
Hotfix: correct the string representation of a password reset request
Hotfix: add a change password link to the user menu
Hotfix: use secure mixins for password reset pages
Merge branch 'foundation' of github.com:openplans/planbox into foundation
- Conflicts and password reset form style updates