[maven-release-plugin] copy for tag 0.0.4

[maven-release-plugin] copy for tag 0.0.3

[maven-release-plugin] prepare for next development iteration

Add support for websockets (opentracing-contrib#53)

* Add support for websockets

* Fixed most issues relate to comments - need to clarify conditional on Tracer bean and find alternative to PostConstruct approach

* Move away from PostConstruct and use ConditionalOnBean for tracer

* Update based on comment

* Improve tracer channel interceptor registration

* alternative approach

* fix javadoc

* use websocket broker config as parameters

* Add component to span tags

* Rename component value

* Test tags

[maven-release-plugin] copy for tag 0.0.2

Zuul tracing

* add zuul tracing

* more tests, more checks, refactoring

* add  opentracing.spring.cloud.zuul.enabled to json

* add zuul to the readme and a dependency test that zuul is not on classpath by default

* get rid of some tags, reformat, add comments

* add license headers, fix merging

[maven-release-plugin] copy for tag 0.0.1

Added OpenTracing JDBC integration