Update README.md
Refactor configuration to a more Ruby way.

Class variables (@@) are very rarely used within Ruby. It's an odd
situation with the singleton pattern, but I think the method I've used
here is an improvement. Happy for debate though :)
Fix travis.yml for code climate
Remove eventmachine
Refactor MessageProcessor#process
Merge pull request #12 from iHiD/refactor_config

Refactor configuration to a more Ruby way.
Merge pull request #13 from iHiD/travis

Fix travis.yml for code climate
Merge branch 'remove_eventmachine' of github.com:iHiD/metric_handler into iHiD-remove_eventmachine
Merge pull request #15 from iHiD/refactor_message_processor

Refactor MessageProcessor#process
Removed JSON parsing from sns_publisher.
Fixed failing sns_publisher test.
Merge pull request #16 from malcyL/msl-remove-json-parsing-of-sns-response

Removed JSON parsing from sns_publisher.
Use propono to publish metrics and events.
Merge pull request #17 from malcyL/msl-add-propono

Use propono to publish metrics and events.