gravatar 6.x-1.4

Big release: a lot of bugs have been fixed and new features introduced ! :-)

Bugs report / features request:

• #255375: [function.getimagesize]: URL file-access is disabled in the server configuration
• #328905: Default image for anonymous comments missing
• #274647: Ability to force enable gravatar support
• #271497: Unexpected T_OBJECT_OPERATOR in gravatar.module
• #276977: Maturity filter can't be updated
• #276974: Link mistake on help page

New features:

• Required settings are checked on module main page
• Authenticated users can enable (and disable) Gravatar
• Integration of identicon, wavatar and monsterid (more details on Gravatar blog: http://blog.gravatar.com/2008/04/22/identicons-monsterids-and-wavatars-o...) (BUG)
• Access rules to use Gravatar introduced
• User profile edit form is cleaned when Gravatar is enabled