refs #484, throw RetryWithWriteLock() if necessary before calling namespace_details::empty
Merge branch 'bugs/484'
added release date for 1.1.2 to NEWS #476
added NEWS about 1.2.0
Merge branch 'NEWS-1.2.0'
closes #485 Ensure that updates, deletes, and findAndModify do not
overlock. Add a test that verifies two clients can operate on different
ranges of keyspace with !multi/justOne updates/deletes.
refs #485 Clean up a bit
Merge branch 'bugs/485'
Merge branch 'master' into visualization