Opentelemetry-proto

Added

- all: Add note about `schema_url` format (including version). [605](https://github.com/open-telemetry/opentelemetry-proto/pull/605)
- logs: Add top-level `event_name` field to log records instead of `event.name` attribute. [600](https://github.com/open-telemetry/opentelemetry-proto/pull/600)

Removed

- profiles: Remove unused `Label` definition. [602](https://github.com/open-telemetry/opentelemetry-proto/pull/602)
- profiles: drop duplicate `attributes` field in message Profile. [606](https://github.com/open-telemetry/opentelemetry-proto/pull/606)

Added

* metrics: Add resource attributes and scope to metrics proto diagram. [519](https://github.com/open-telemetry/opentelemetry-proto/pull/519)
* metrics: Added json example for exponential histogram. [580](https://github.com/open-telemetry/opentelemetry-proto/pull/580)

Changed

* metrics: Clarify aggregation temporality for Summary metric type. [591](https://github.com/open-telemetry/opentelemetry-proto/pull/591)
* docs: Remove HTTP 1.1 restriction from Protocol Details [571](https://github.com/open-telemetry/opentelemetry-proto/pull/571)
* docs: Update specification to include development profiles [582](https://github.com/open-telemetry/opentelemetry-proto/pull/582)
* docs: update references to logging exporter [581](https://github.com/open-telemetry/opentelemetry-proto/pull/581)
* Makefile: exclude Profiles protocol from breaking-changes [576](https://github.com/open-telemetry/opentelemetry-proto/pull/576)
* Makefile: exclude Profiles service from breaking changes too [586](https://github.com/open-telemetry/opentelemetry-proto/pull/586/)
* profiles: align type of index into string table [557](https://github.com/open-telemetry/opentelemetry-proto/pull/557)
* profiles: drop Sample.stacktrace_id_index [575](https://github.com/open-telemetry/opentelemetry-proto/pull/575)
* profiles: drop BuildIdKind [584](https://github.com/open-telemetry/opentelemetry-proto/pull/584)
* profiles: drop Sample.label [583](https://github.com/open-telemetry/opentelemetry-proto/pull/583)
* profiles: drop Location.type_index [578](https://github.com/open-telemetry/opentelemetry-proto/pull/578)
* profiles: Rename profiles v1experimental to v1development [585](https://github.com/open-telemetry/opentelemetry-proto/pull/585)
* profiles: Make mapping in Profile optional [556](https://github.com/open-telemetry/opentelemetry-proto/pull/556)
* profiles: Fold the content of pprofextended.proto into profiles.proto, removing ProfileContainer. [590](https://github.com/open-telemetry/opentelemetry-proto/pull/590)
* profiles: Improve lookup table pattern use in profiles. [592](https://github.com/open-telemetry/opentelemetry-proto/pull/592)
* profiles: Renovations to experimental profiling schema. [596](https://github.com/open-telemetry/opentelemetry-proto/pull/596)

Changed

* profiles: add missing java_package option to pprofextended. [558](https://github.com/open-telemetry/opentelemetry-proto/pull/558)

Changed

* profiles: fix versioning in selector. [551](https://github.com/open-telemetry/opentelemetry-proto/pull/551)

Added

* Add new profile signal.
[534](https://github.com/open-telemetry/opentelemetry-proto/pull/534)

Added

* Indicate if a `Span`'s parent or link is remote using 2 bit flag.
[484](https://github.com/open-telemetry/opentelemetry-proto/pull/484)
* Add metric.metadata for supporting additional metadata on metrics
[514](https://github.com/open-telemetry/opentelemetry-proto/pull/514)
* Add example of an Event [538](https://github.com/open-telemetry/opentelemetry-proto/pull/538)

Changed