Add gli as a dependency
Add support from loading an environment specific configs as well as the normal default config
Pass the environment into the config files
Update tests to ensure that the enviorment is passed properly, and adjust tests for the second environment argument
Merge remote-tracking branch 'origin/master' into environments

Conflicts:
	spec/lib/ec2-security-czar/security_group_spec.rb
Bump minimum coverage to 95%
Add hashie as a dependency
Switch to using a hash with Indifferent Access for aws base config
Switch to using a hash with Indifferent Access for security group configs
Merge pull request #8 from sportngin/environments

Add support for different Aws Environments