HBASE-9106 Do not fail TestAcidGuarantees for exceptions on table flush

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1509535 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9085 Integration Tests fails because of bug in teardown phase where the cluster state is not being restored properly. (gautam) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1509538 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-666-trunk-gd