- split out meshSources stream from generic data sources stream - added experimental saving of meshes - added some basics for bom :  * registering new entries  * selection - added experimental bom view - experimenting with alternave loading of designs
- split out meshSources stream from generic data sources stream
- added experimental saving of meshes
- added some basics for bom :
 * registering new entries
 * selection
- added experimental bom view
- experimenting with alternave loading of designs

usco/Jam,usco/Jam