Adding remote resources plugin

The ```remote-resources``` plugin is a handy plugin to include the following files into the ```META-INF``` folder of the JAR:
* license (the license of the code),
* notice (e.g. copyright notice)
* dependencies (contains a convenient list of used dependencies and their licenses)

See [AEROGEAR-1283](https://issues.jboss.org/browse/AEROGEAR-1283) as well