HBASE-9160 TestNamespaceUpgrade fails on hadoop 2.1 due to existence of .snapshot directory in tar ball

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1513733 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9128 Drop the '.' prefix from names under hbase.rootdir after namespaces goes in

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1513736 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9128 Drop the '.' prefix from names under hbase.rootdir after namespaces goes in

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1513737 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9135 Upgrade hadoop 1 version to 1.2.1 which is stable; RESTORE -- THIS DID NOT BREAK BUILD AS I THOUGHT

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1513739 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-326-trunk-gd