Explicitly clear the cache when closing readers.
migrate most over to using cascading 2, one failure still
fix broken test
Revert "fix broken test"

This reverts commit 56c07280235b6646cff65f16059b9d57590bace2.
fix broken test
uncomment test
Merge pull request #272 from bpodgursky/master

Upgrade to Cascading 2
refactor to allow the flow connector to be passed in
Add From: parameter to EmailSummaryNotifier
Only notify of HostState change when the state is OFFLINE or undefined.
change to a flow connector factory
licenses
Merge pull request #273 from bpodgursky/master

Use a FlowConnectorFactory to build domains
Make performance test get its temporary directory from the command line.
Make performance test get its temporary directory from the command line.
Improve test to only use one command line argument
Rename (and clean up) PerformanceTestCueballWriter to PerformanceTestCueball
Check for null keys earlier in HankSmartClient and a meaningful exception.
Check for empty keys in HankSmartClient and add a meaningful exception.
Fix bug in HashPrefixCalculator that arises the number of bits in prefix is
a multiple of 8.