minor changes.

- save draft bug fix
- create need events
Merge branch 'devel' into feat-yim

Conflicts:
	webofneeds/won-owner-webapp/src/main/webapp/app/post-detail/post-detail.js
minor changes.
Merge branch 'devel' into feat-yim

Conflicts:
	webofneeds/won-owner-webapp/src/main/webapp/app/service/won-service.js
Merge branch 'devel' into feat-yim
Merge branch 'devel' into feat-yim
privateLink need handling

- linkeddata.getNeed()
- applicationStateService added for current need
sparql query fix

- linkeddata.getNeed() sparql query fixed
create need gui element handling