Lev

[DO NOT MERGE] single threaded nats client POC

1

PR for discussion only, not to be merged. - uses libevent for all read/write, still uses `natsSock_ConnectTcp` to connect - heap implementation abstracted, and the use consolidated - can connect,...

[CI only] Skip codecov for forks until they resolve tokenless uploads…

3

https://github.com/nats-io/nats.c/pull/763 is currently failing to upload codecov reports, because of an [issue](https://github.com/codecov/feedback/issues/301) in codecov. Until they resolve it, disable codecov for PRs from forked repos.

[CI only] Use RelWithDebInfo in Travis to get the callstacks

7

Travis sanitize builds seem to still produce unique failures that are not appearing in GHA jobs. However, some were compiled with `Release` making call stack interpretation difficult (like, https://app.travis-ci.com/github/nats-io/nats.c/jobs/624866438). Use...