flattr4j async
A flattr4j module for asynchronous access to the Flattr API.
How to Use
flattr4j is available at Maven Central. Just add this snippet to your pom.xml:
<dependency>
<groupId>org.shredzone.flattr4j</groupId>
<artifactId>flattr4j-async</artifactId>
<version>2.14</version>
</dependency>