initial commit for 2pc
Merge branch 'facets' into feat-2phasecommit
fixed 2pc
added selenium tests
Merge branch 'facets' into feat-2phasecommit

Conflicts:
	webofneeds/won-owner-webapp/src/main/java/won/owner/web/connection/ConnectionController.java
Merge branch 'feat-messaging' of https://github.com/researchstudio-sat/webofneeds into feat-messaging

Conflicts:
	webofneeds/won-node/src/main/java/won/node/facet/impl/Facet.java