ChangeLog :
===========
+2020/07/07 : 2.2.0
+ - BUILD: mux-h2: fix typo breaking build when using DEBUG_LOCK
+ - CLEANUP: makefile: update the outdated list of DEBUG_xxx options
+ - BUILD: tools: make resolve_sym_name() return a const
+ - CLEANUP: auth: fix useless self-include of auth-t.h
+ - BUILD: tree-wide: cast arguments to tolower/toupper to unsigned char
+ - CLEANUP: assorted typo fixes in the code and comments
+ - WIP/MINOR: ssl: add sample fetches for keylog in frontend
+ - DOC: fix tune.ssl.keylog sample fetches array
+ - BUG/MINOR: ssl: check conn in keylog sample fetch
+ - DOC: configuration: various typo fixes
+ - MINOR: log: Remove unused case statement during the log-format string parsing
+ - BUG/MINOR: mux-h1: Fix the splicing in TUNNEL mode
+ - BUG/MINOR: mux-h1: Don't read data from a pipe if the mux is unable to receive
+ - BUG/MINOR: mux-h1: Disable splicing only if input data was processed
+ - BUG/MEDIUM: mux-h1: Disable splicing for the conn-stream if read0 is received
+ - MINOR: mux-h1: Improve traces about the splicing
+ - BUG/MINOR: backend: Remove CO_FL_SESS_IDLE if a client remains on the last server
+ - BUG/MEDIUM: connection: Don't consider new private connections as available
+ - BUG/MINOR: connection: See new connection as available only on reuse always
+ - DOC: configuration: remove obsolete mentions of H2 being converted to HTTP/1.x
+ - CLEANUP: ssl: remove unrelevant comment in smp_fetch_ssl_x_keylog()
+ - DOC: update INSTALL with new compiler versions
+ - DOC: minor update to coding style file
+ - MINOR: version: mention that it's an LTS release now
+
2020/07/04 : 2.2-dev12
- BUG/MINOR: mux_h2: don't lose the leaving trace in h2_io_cb()
- MINOR: cli: make "show sess" stop at the last known session