Simple class to generate Gravatar URL from a email-address.
'org.rjung.util:gravatar:0.1'
<dependency>
<groupId>org.rjung.util</groupId>
<artifactId>gravatar</artifactId>
<version>0.1</version>
</dependency>
<dependency org="org.rjung.util" name="gravatar" rev="0.1"/>
"org.rjung.util", "gravatar", "0.1"