* The open_id_authentication plugin will require the gem automatically so
  it doesn't need to be added to environment.rb
* Changed the version requirement on the open_id_authentication to match
  the latest stable version.  Rails config.gem looks for a directory named
  after that specific version and will not load newer versions.

  #699

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* Defaults to off
* Is set in the Administration panel under Authentication

  #699

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* Extracted register_by_email_activation
* Extracted register_automatically
* Extracted register_manually_by_administrator

  #699

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* Copied the register action's chunk of code used to setup the account
  based on Setting.self_registration
* Extracted method for when onthefly_creation_failed
* Added tests to confirm the behavior

  #699

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* Use OpenID registration fields for the user.
* Generate a random password when a user is created.

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* Refactored AccountController#login to use either
  password or openid based authentication
* Extracted AccountController#successful_authentication
  to setup a user's session cookies and redirect
* Implemented the start of AccountController#open_id_authentication
  which will check with the OpenID server and perform authentication.
* Added text field for the OpenID url to /login
* Added identity_url for OpenID to the user forms.
* Added option to login with OpenID to the register form.
* Added a root url route, which is used by the OpenID plugin

  #699

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on ActionController:AbstractRequest not Base

  #699

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reposman usage is unchanged but the script now requires activeresource.
actionwebservice is now longer used and thus removed from plugins.

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The request and controller objects are now added to all hook contexts by
default.  This will also make url_for work better in hooks by setting up
the default_url_options :host, :port, and :protocol.

Finally a new helper method @render_or@ has been added to ViewListener.  This
will let a hook easily render a partial without a full method definition.

Thanks to Thomas Löber for the original patch.  #2542

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* :view_layouts_base_sidebar
* :view_layouts_base_content

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