* 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
Trask Stalnaker
Sergei Malafeev
Nikita Salnikov-Tarnovski