[maven-release-plugin] copy for tag 3.10.0

Makes brave core interfaces java 6 bytecode (again) (openzipkin#227)

Fixes openzipkin#225

[maven-release-plugin] copy for tag 3.9.1

Change server span 'http.url' value to be absolute path, to be consis…

…tent with value used by the client span (openzipkin#200)

[maven-release-plugin] copy for tag 3.9.0

Adds LocalSpanCollector (openzipkin#186)

LocalSpanCollector submits spans to a local storage component.

For example, if you are tracing a storage system like cassandra,
you might prefer to write directly to cassandra as opposed to over http.

This code replaces a similar class in zipkin-java, and also supports
cassandra tracing.

[maven-release-plugin] copy for tag 3.8.0

publishes to the correct repository

[maven-release-plugin] copy for tag brave-3.7.0

[maven-release-plugin] copy for tag 3.6.0