h2 ws: fixes against chrome

README.md

lib/handshake.c

lib/http2/http2.c

lib/libwebsockets.c

lib/libwebsockets.h

lib/output.c

lib/pollfd.c

lib/private-libwebsockets.h

lib/server/parsers.c

lib/server/server.c

lib/service.c

lib/tls/mbedtls/mbedtls-server.c

lib/tls/mbedtls/ssl.c

lib/tls/openssl/ssl.c

test-apps/test-server.c