ROO-3547: Showing WARNING instead of ERROR when exists Nested classes on ROO project
ROO-3548: Adding ear packaging as valid packaging type on roo projects
ROO-3550: Solving error when uses * on pom.xml
ROO-3549: Solving error on plugins without dependencies
ROO-3549: Solving error on plugins without dependencies
ROO-3551: Solving error on child projects without version
ROO-3551: Solving error on child projects without version
ROO-3551: Solving error on child projects without version