fixed --sslrouter-sni
--sslrouter and --sslrouter2 to be more aligned with --https
added --route-referer
fixed realloc() usare in core/io.c as spotted by cppcheck
fixed realloc() usare in core/io.c as spotted by cppcheck [2]
proto/zeromq: Don't leak ub on write error in uwsgi_proto_zeromq_writev_header

Reported by Coverity as CID #971247.
plugins/http: fixup some leaks in spdy

Reported by Coverity as CID #971245, #971246.
add last_request attribute to subscription node, it will hold the number of requests since last subscription ping
use node->last_requests instead of absolute request counter in (w)lrc
Merge pull request #142 from prymitive/router_delta

add last_request attribute to subscription node, it will hold the number...
Merge pull request #143 from xrmx/coverity6

Fix some leaks reported by Coverity scan
announce only spdy3
better route/sendfile/offload logging
improved sendfile management
offloading by default, if available
fixed backlog reporting on 32bit
fixed SERVER_PORT in routers when shared sockets are in place
added --thunder-lock
fixed PTHREAD_PRIO_INHERIT
better support for robust mutexes
added --static-gzip-* options