adding tags to cluster, feed and processes
always refresh to get latest status
TestProcessUI added
refresh() action added to Page class
testInstances() finished
testLineageLink() added
ProcessUITest renamed
error message added to waitForElement()
waitForInstancesPanel() before get info from it
imports updated
added test user to entity node test
added testVertexId, testVertexNoId
adding testVertexInvalidId
added testVertexProperties
cluster is not associated with any user
adding checks to testVertexProperties
adding test tags
adding javadocs
adding javadoc
added vertex property tests