Migrated to Maven. But not yet to GWT-2.0.0rc2 what breaks Layout code.
POMs are 9:
 .
 |-- pom.xml                      - parent pom w/ dependencies, versions and list of modules
 |-- webgame-client
 |   |-- pom.xml                  - parent for GWT modules. Declares common dependencies and google-maven-plugin base configuration
 |   |-- webgame-client-backend
 |   |   `-- pom.xml              - backend GWT module
 |   `-- webgame-client-frontend
 |       `-- pom.xml              - frontend GWT module
 |-- webgame-client-shared
 |   `-- pom.xml                  - shared code what is used by backend & frontend
 |-- webgame-server
 |   `-- pom.xml                  - server code
 |-- webgame-shared
 |   `-- pom.xml                  - code shared between both GWT modules and server
 |-- webgame-standalone
 |   `-- pom.xml                  - guice-grapher runner for server modules
 `-- webgame-war
     `-- pom.xml                  - grand finale assembly what can be run locally or deployed to AppEngine