yandex/odyssey v1.5.1-rc3

1.5.1 release candidate 3

on GitHub

Generally for two fixes: race on server connection open and for reduce memory consumption in relay
when dst reads slower than src produces.

Also tcmalloc and dummy built-in memory profiling support was added to investigate possible mem leaks.

What's Changed

• fix route_wait race by @rkhapov in #1249
• add tcmalloc profile support by @rkhapov in #1253
• do not accumulate too large iov by @rkhapov in #1255

Full Changelog: v1.5.1-rc2...v1.5.1-rc3