SCHEMA-10. LsTool uses URIs to specify hbase, kiji and table names.

Update integration tests.
Fix ZooKeeper lock factory to honor URIs instead of HBase configurations.

Signed-off-by: Aaron Feldstein <afeldstein@wibidata.com>
SCHEMA-177. NullPointerException arising from null String parametrized AuthorityParser replaced by a formal KijiURIException detailing the issue.