* 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
* Allow compiling of everything with java 11
* Instruct CircleCI to use java 11 be default
* Forbid running some tests on java11
* Muzzle uses ClassLoader.platformClassLoader as parent for user-space classloader
* Rename hibernate modules
* Update tracer name
* Change from gradle inheritance to composition
This will make it possible to have empty "grouping" modules, e.g.
instrumentation:hibernate.
* Introduce empty hibernate grouping module
Anuraag Agrawal
Nikita Salnikov-Tarnovski
Tyler Benson
Trask Stalnaker