Fixes starter-types reference in mbg plugin
Fixes jetty version reference
Adds the mbg version property
Adds description tag to starter poms
Adds mbg project to mmdb

* successfully generates domain objects in starter project
* relies on directory /projects/${project-name} for mbg config and schema
Removes mbg related dependencies
Aligns starter and mbg projects

* root package changed from 'npm' to 'mmdb'
* moved base mbg types to mbg project