Merge pull request #2 from derekdowling/Victoria

Merging Victoria's branch with Master
Update to create_data.rb

Adds some more documentation, tweaks the arguments ever so slightly,  adds a profiling option and logic to support that.
Update README.md
Updating readme

Adds better documentation to the readme surround CLI usage.
Update README.md
Update README.md
Updating docs, names, making generator a class
Merge pull request #3 from derekdowling/cli

Updating docs, names, making generator a class
Adding thor to gemfile and a es cluster ping command
Killing warnings on helper functions
adding more columns to manifest
Adding more types of data generation
Adding more types of data generation
Fixed a few typos in manifest
deleted a swap file