Implemented keeping track of 95th percentile
Merge pull request #47 from cloudfoundry-community/sample_percentile

Implemented keeping track of 95th percentile
throughput calculation at end of iteration
Merge pull request #60 from cloudfoundry-community/simplethroughput

Simplified throughput calculation
delete .test binaries
print errors from cmdline
Remove unused struct
split workload list and worker factories
move redis connection/config out of store
Redis-based workload implementation
store reloads experiments

Also got rid of buffering in laboratory.go because premature
optimization killed the cat or something
change flag for enabling redis store
Ensure worker stub is configured in redis mode
Add redis prereq now needed by tests to README
Remove dead code
Merge pull request #61 from cloudfoundry-community/redis

Redis-based worker implementation
a clone function for command map
testing the immutable map
Closing file properly
Merge pull request #63 from cloudfoundry-community/fileclosebug

Proper output file close