[maven-release-plugin] copy for tag 0.1.2

Replace ServiceLoader code by TracerResolver call. (#12)

* Replace ServiceLoader code by TracerResolver call.

* Lazy initialization only if util-GlobalTracer isn't already registered.

Since this requires OT-api 0.22.0:
Merge remote-tracking branch 'remotes/upstream/master' into tracerresolver

# Conflicts:
#	pom.xml

[maven-release-plugin] copy for tag 0.1.1

Deprecate contrib GlobalTracer and forward to OpenTracing-java util. (#9

)

* Deprecate contrib GlobalTracer and forward to OpenTracing-java util.

* Remove 'tryReflectCurrent' method.

* Move info logging to success code-path

[maven-release-plugin] copy for tag 0.1.0

[maven-release-plugin] copy for tag 0.0.1