Opencensus compatibility specification (#1332)
Opencensus compatibility specification (#1332)

* DRAFT - preliminary OpenCensus compatibility specification.   This is NOT complete, nor anywhere near done.

* Added known incompatibility section.

* Updates from comments, and semantic convention mappings.

* Fixes from review.

* Reapply missing commits from local rebase.

* More typo fixes and review changes.

* Fixes from linter/spellchecker.

* Update specification/compatibility/opencensus.md

Co-authored-by: Anuraag Agrawal <bb5e24af042f1d35fa939ac33c42b329ab4b22f8@gmail.com>

* Update specification/compatibility/opencensus.md

Co-authored-by: Anuraag Agrawal <bb5e24af042f1d35fa939ac33c42b329ab4b22f8@gmail.com>

* Fixes from reivew.

* Update document status.

* Fix broken api link.

Co-authored-by: Bogdan Drutu <1078cf414b2625a240b16392085d66580bb66f4d@splunk.com>
Co-authored-by: Anuraag Agrawal <bb5e24af042f1d35fa939ac33c42b329ab4b22f8@gmail.com>
Co-authored-by: Bogdan Drutu <3f8e17047c2434e5c82a61403e56b9ef3e226d99@gmail.com>
open-telemetry/opentelemetry-specification,open-telemetry/opentelemetry-specification