OAK-2254: Observation events accessibility check should respect session refresh settings
Applied patch. Thanks Alex, for spotting this.

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1637368 13f79535-47bb-0310-9956-ffa450edef68
OAK-2162: oak-it-mk: add ClientFixture

remove unused imports

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1637377 13f79535-47bb-0310-9956-ffa450edef68