Update README for Elk Audio OS 1.0

Merge branch 'f/AUD-551_separate_repo_for_grpc_api' into develop

Revert "Merged in b/ELD-67_ignore_SIGPIPE (pull request #288)"

This reverts commit e3e2aeb, reversing
changes made to ca06cbf.

Adding processor properties to HISTORY.md

Adding processor properties to HISTORY.md

Merge branch 'develop' into r/0.11.0

Updating version to 0.10.3

Updating version to 0.10.2

Updating version to 0.10.1

Added OSC API changes to HISTORY