* Now publish all instrumentations as well.
Changed groupId to `io.opentelemetry.instrumentation`.
Removed `opentelemetry` from auto-exporters' artifactIds.
Some instrumentations will need moving around to have better names, e.g. servlets. Should I do it right away?
* Polish
* Unify names of published artifacts
* Renamed some modules
* Fix CI config
* Rename project-reactor back to reactor
* Update gradle dependencies and module name
* Replace Tracer.withSpan() with currentContextWith()
* Update inject to 0.3.0
* Update extract to 0.3.0
* More updates
* Remove distributedcontext package refs
* Update OpenTelemetry API interoperability
* No need to call setNoParent()
setParent(SpanContext.getInvalid()) should give the same result.
* Update dependency version
* Change getTracerFactory to getTracerProvider
* Update some imports
* Change put to set
* Fix up bridge
* Update package names
* Update test SpanProcessor
* Remove null conditionals around setAttribute
* Update shading
* Update span context extraction
* Fix Dropwizard conversion to OpenTelemetry API
* Finish converting JDBC to use OpenTelemetry API directly
* Finish converting Servlet to use OpenTelemetry API directly
* Convert Trace Annotation to use OpenTelemetry API directly
* Convert tests to use OpenTelemetry API directly
* Move things up a directory
* Scripted mass update
find -type f -name "*.gradle" | xargs sed -i 's/:java-agent:/:/g'
* Remove plugin version now that it's in root module
* Update java-agent and instrumentation configs
* Misc