Decoupling gwt version and gwt-maven-plugin version
Adding .errai to .gitignore
Decreasing the -Xmx JVM option from 4086m to 1536m, because the GWT compiler was failing on Fedora17 (8 gigs RAM) with the segfault. This variable can be overriden locally in the user's ~/.m2/settings.xml.
mvn gwt:debug -P dev should open run the development mode from console. Jetty should be using ssl.