updates to start scripts for workflow manager
update number of cores on cluster boxes
update scripts to not use sudo. pass in security group option
update syntax for rspec
initial refactor to refactor gem to support private keys'
find server now takes the entire json
enabled shell commands
download files
move loading env of shell commands to argument
fix private key file names and worker jsons
code cleanup and changelog
turn on hyperthreading. force availability placement. new terminate method
fix test
update aws gem to rc12
update cores and pricing in spreadsheet
update change log and remove puts
group id is now in milliseconds"
timestamp and groupuuids fixed
use Aws::EC2::Client.new in preparation for version 2.0
Merge pull request #5 from NREL/0.2.0

merge down 0.2.0