HBASE-9273 Consolidate isSystemTable checking

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1516039 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9276 List tables API should filter with isSystemTable

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1516043 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9277. REST should use listTableNames to list tables

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1516045 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9279. Thrift should use listTableNames to list tables

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1516048 13f79535-47bb-0310-9956-ffa450edef68