README: Added documentation about internal statistics.
README: Use a double-arrow that works better.
statsd: Revisit plugin. Closes #5

* Correct line-based TCP support.
* Correct handling of parsing errors (no stacktrace!).
protobuf: Versioning and various fixes to UDP output.
tools: Actually fail on rspec failures.
explicit ffwd version dependency for plugins
release 0.1.7
docs: Documentation about the protobuf protocol.
general: Partial configuration into conf.d
protobuf: Change protobuf implementation from ruby_protobuf to beefcake
README: Updated to use modular configuration in examples.
general: Better retry messages and log.warn -> log.warning.
protocol: Allow ignoring of events or metrics selectively per plugin.
general: Consistent documentation and logging.