Add first and last name persona fields

Some OpenID consumers require first and last name attributes to be sent back
Split the fullname field and populate these attributes at the same time
Add Option to force a persona to be used

New config to force the default persona
Add force default persona arg to test and fix boolean case

switch the case so its the right way around
Only show persona attributes that are configured in the config/masq.conf file

Hide an attribute and or an attribute group if its not been
configured in the masq.conf file.
Small README documentation change
Fix typo in personas view
Symbolize persona keys and more condensed view code
Fix missing size on attributes
Fix OpenID email authentication

When going to the identity page after signing up with an email
address the format constraint gets messed up with the email address
and breaks the account param.
bob@sam.com => {:account => bob@sam, :format => 'com'}

Fix on the routes so only the xrds format is considered when trying
to identify the account
Bumped version to 0.2.9