ACCUMULO-1312 Test Connectors and serialization with destroyed tokens
Merge remote-tracking branch 'asf/master' into ACCUMULO-802
Merge remote branch 'apache/master' into ACCUMULO-802
Merge remote branch 'ctubbsii/ACCUMULO-802' into ACCUMULO-802
ACCUMULO-802 updated MockTableNamespaceOperations to use Credentials rather than just a username
ACCUMULO-802 disabled the namespaces specific randomwalk portions due to failures
ACCUMULO-802 added namespace-specific randomwalk classes and updated randomwalk to include namespace operations. Changed the default randomwalk settings to 15 tables and 2 namespaces as opposed to 5 tables to help with namespace testing"
ACCUMULO-802 added a few more namespace-specific randomwalk tests