refactored solr tests
refactored config and logging
onapplicationevent method updated
added default config dir
fixed logging dependencies
Merge branch 'devel' into feat-messaging

Conflicts:
	webofneeds/conf/node.properties
	webofneeds/won-node/src/main/resources/applicationContext.xml
	webofneeds/won-node/src/main/resources/services.xml
	webofneeds/won-owner/src/main/resources/ownerApplicationContext.xml
node-node messaging update