Closes #85 - Resolve minor rename issues
Merge pull request #86 from mikewalch/fluo-85

Closes #85 - Resolve minor rename issues
Closes #84 - Improved stress test configuration
Merge pull request #90 from mikewalch/fluo-84

Closes #84 - Improved stress test configuration
Closes #13 - Clients that perform transactions now register with
zookeeper as transactors.  Clients reading from Fluo maintain a
transactor cache and can roll back a transaction quickly if a
transactor has died.
Merge pull request #93 from mikewalch/fluo-13

Closes #13 - Clients now register in zookeeper as transactors.
#26 WIP added caching of transaction status
#26 WIP made parallel scanner only retry row/cols that were locked
#26 WIP added some code for grouping locks by primary row/col
#26 WIP started lock resolution code into central place