HBASE-4360 Maintain information on the time a RS went dead (samar)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1498274 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8809 Include deletes in the scan (setRaw) method does not respect the time range or the filter

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1498531 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8794 DependentColumnFilter.toString() throws NullPointerException (Stefan Seelmann)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1498536 13f79535-47bb-0310-9956-ffa450edef68