MediaWiki extension for Gravatar based on Forxer's Gravatar PHP library
## Example Syntax
{{#gravatar:[email protected]|size=100|extension=png}}
Prints link to an image of 100px width size and png extension.
{{#gravatar:user=WikiUser|size=200|output=image|link=http://example.com}}
Prints an image of 200px width size and linking to http://example.com
{{#gravatar:user=WikiUser|exists=It exists}}
Checks whether a gravatar of the user exists. If so, prints the provided text.