nghttp2 @1.1.2_0: update to version 1.2.0

[Schamschula (Marius Schamschula)]

nghttp2 has been updated to version 1.2.0:

• Fix crash if response or data is submitted to closing stream
• Header table size UINT32_MAX must be accepted
• Use PROTOCOL_ERROR against DATA sent to idle stream
• Allow multiple in-flight SETTINGS
• Strictly check occurrence of dynamic table size update
• Fix configure warning that 'missing' is missing or too old
• Fix rm: cannot remove ‘*.rst’: No such file or directory when "make clean"
• doc: Reword some of the server and client tutorial
• src: Remove monotonic_clock replacement macro for gcc-4.6
• nghttpx: Add TLS ticket key sharing among nghttpx instances using memcached
• nghttpx: Add shared session cache using memcached
• nghttpx: Set SSL/TLS session timeout to 12 hours
• nghttpx: Enable session resumption on HTTP/2 backend
• nghttpx: Don't rewrite host header field by default
• nghttpx: Generate new ticket key every 1hr and its life time is now 12hrs
• nghttpx: Don't reuse backend connection if it is not clean
• nghttpx: Add AES-256-CBC encryption for TLS session ticket
• nghttpd: Fix the bug that 304 response has non-empty body
• h2load: Add -r and -C options to h2load

Note: patch-python-Makefile.in.diff is no longer needed.

[Ionic (Mihai Moldovan)]

Committed as r139255. Thanks!