I'm setting up an update site to make sure that the plug-in can be installed into Eclipse using the official "Install New Software" way but I'm having some problems with the deployment at the moment. If you want to start playing with the plug-in, download it from here and unpack the zip into the Eclipse folder.
EDIT: The update site deployment is fixed. The plug-in can now be installed using the regular way: in Eclipse go to Help > Install New Software... and connect to the following URL: