fiche service : improved
registry : get SoaNode parent by type now works with subtypes,
DocumentService : improved getter methods,
fiche service : macro'd some, added per role fcts description,
   improved files & operation parameters, improved mimeType, displayTested,
   impl deliverable & deps, external or internal service using consumptions
Merge branch 'master' of github.com:easysoa/EasySOA-Incubation
Merge branch 'master' of github.com:easysoa/EasySOA-Incubation
made DocumentService.getChildren subtype-compliant
fiche service to macro refactoring
improved poms