make static methods
Merge remote-tracking branch 'origin/engagepoint/develop' into engagepoint/develop

Conflicts:
	connectors/modeshape-connector-cmis/src/main/java/org/modeshape/connector/cmis/mapping/Properties.java
make static methods
EDOC-1364: Incorrect wording in error and worning messages on 'Problems' page and CMIS Workbench pop-up
EDOC-1364: change null message
Merge remote-tracking branch 'origin/engagepoint/develop' into engagepoint/poc/EDOC-1328-force-Federation-to-use-cache
added logger