v1.1.0 - Async transformations

This commit adds support for asynchronous transformations.

Community Contributions

• #2 by @zbigg. Adds asynchronous support.

Features

• Asynchronous support by returning a promise

Maintenance

• Adds es6-promise dependency for compatibility with Node 0.10 to 0.12
• Update outdated dependencies
• Update README.md with async documentation