Returns user profile attributes, or empty strings if the user has not been validated.

----

!Usage

<wiki:UserProfile property="<property>" />!Parameters

;__property__: the property to evaluate

Properties:
* exists - valuates the body of the tag if user's profile exists in the user database
* created - creation date
* email - user's e-mail address
* fullname - user's full name
* loginname - user's login name
* modified - last modification date
* new - evaluates the body of the tag if user's profile does not exist in the user database
* roles - the roles the user is associated with
* wikiname -  user's wiki name

!Example
{{{
<wiki:UserProfile property="exists">
   <tag body>
<wiki:UserProfile />
}}}

Evaluates the tag's body if the User Profile exists. (checks if the profile is new or not)
<wiki:UserProfile property="exists">
   <tag body>
<wiki:UserProfile />