Biography cleanup

#56 - Biography updates to user platform (and link to the new biography page from people pages)
#60 - Forgot password and better sign in links for the user platform
Not sure if this is already being done, but it might be helpful to set
```ruby
ENV['WWQI_SITE'] ||= 'http://www.wwqidev.com'
ENV['WWQI_PERSON_THUMBNAIL'] ||= 'http://s3.amazonaws.com/assets.qajarwomen.org/thumbs'
```
in `spec/spec_helper.rb`, just so you don't have to load a particular .env file to run tests.