Hey Sandro!
I had to make a temporary name change for your plugin in JBoss Forge.
There is a bug in the Install process that was preventing installtion of your plugin because some other plugins (errai) are tagged with GWT, and Forge is incorrectly resolving tags when performing installtion.
We should have this fixed in the next version, but unfortunately, many bugged versions are still out there, so we'll have to leave it for a while :/
If you can think of a better solution, I'm open to suggestions, but for now, I've qualified your plugin with: