release v2.11.0

What's Changed

• net/types: move socket helpers and rename RE_ERRNO_SOCK and RE_BAD_SOCK by @sreimers in #608
• sys: fix fileno warning by @alfredh in #612
• tls: clear session callbacks in destructor by @cspiel1 in #611
• tls: use long SSL state strings for logging by @cspiel1 in #613
• tls: Set session only once before Client Hello by @cspiel1 in #607
• udp: add optional send/recv handler by @alfredh in #602
• tls: remove deprecated tls_set_selfsigned() by @alfredh in #614
• main: allow for init twice by @alfredh in #615
• cmake: add check_c_compiler_flag for atomic-implicit-seq-cst warning by @sreimers in #617
• http,tcp: add http_listen_fd and tcp_sock_alloc_fd by @sreimers in #618
• tcp_sock_alloc_fd: fix fdc initializing by @sreimers in #619
• sa,unixsock: add unix domain socket support by @sreimers in #600
• mk: remove makefiles by @sreimers in #620
• RTP Resend by @sreimers in #626
• TLS server support SNI based certificate selection by @cspiel1 in #596
• sipsess/request.c: return error code in sipsess_request_alloc by @maximilianfridrich in #631
• ice: add ANSI output with Green and Red colors by @alfredh in #632
• docs: update reference to TLS 1.2 by @alfredh in #633
• cmake, sa: enable unix sockets, if HAVE_UNIXSOCK is undefined by @fAuernigg in #636
• trice: refresh doxygen comments by @alfredh in #635
• tls: add error handling for BIO_reset by @cspiel1 in #638
• dns/client: fix rrlv reference cache handling by @sreimers in #637
• release v2.11.0 by @cspiel1 in #639

Full Changelog: v2.10.0...v2.11.0