Update README.md

Provide initial content for README including installation, configuration, and usage example
Incorporate latest README.md edits made using the GitHub interface.
Incorporate the latest README.md edits made via the GitHub interface
Bump version for beta release
Merge branch 'release/0.1.1'
Merge tag '0.1.1' into develop

Release 0.1.1

This is a beta release that contains a working ColorEngine
implementation (and accompanying test suite), but does not
yet include the TransactionBuilder functionality needed to
build and submit transactions to the Bitcoin network.