Update README.md to indicate Brave is compatible with Zipkin 1.1

Zipkin 1.0.1 is not a tagged release of zipkin, but Zipkin 1.1 is.

I've tested it with 1.1 and it works fine.
Merge pull request #1 from ryangardner/master

Update README.md to indicate Brave is compatible with Zipkin 1.1
Add plantuml sequence diagram on usage of client and servertracer.
Minor updates to sequence diagram.
Add ClientTracer, ServerTracer usage sequence diagram and some explanation.
Minor updates to documentation.
Update sequence diagram documentation.
Add empty documentation section on EndPointSubmitter. Should be completed soon.
Make BraveCallable constructor public.
Rework annotation submitting code. Removes code duplication.
Add documentation section on EndPointSubmitter
Improve readability of documentation by highlighting class names.
Add some corrections and additions to the documentation.
Adapt ZipkinSpanCollector implementation so it is able to recover from temporary connectivity issues.
Update changes for 2.0.1-SNAPSHOT.
Adapt ZipkinSpanCollectorSink so it is able to recover from connection loss.
Adapt changelog for 2.0.1-SNAPSHOT.
Update description section of pom.xml
Update changelog for 2.0.1-SNAPSHOT.
[maven-release-plugin] prepare release brave-2.0.1