Fix a minor typo in system_principles/versions.xml
kernel: When doing an fdopen we now also bind the fd to the specified addr/port
erts: Fix inet close on prebound fds

Inet close must remove fd from select/poll without closing the fd.
Fix default behaviour for legacy fdopen

Update testcase for gen_udp:open/2 with option fd
Merge branch 'lukas/kernel/bind_with_fdopen/OTP-12061' into maint-r16

* lukas/kernel/bind_with_fdopen/OTP-12061:
  Fix default behaviour for legacy fdopen
  erts: Fix inet close on prebound fds
  kernel: When doing an fdopen we now also bind the fd to the specified addr/port
Update release notes
Merge branch 'tuncer/system_principles-versions-typo' into maint

* tuncer/system_principles-versions-typo:
  Fix a minor typo in system_principles/versions.xml
Merge branch 'maint-r16' into maint

Conflicts:
	erts/doc/src/notes.xml
	erts/preloaded/ebin/prim_inet.beam
	erts/vsn.mk
	lib/kernel/doc/src/notes.xml
	lib/kernel/vsn.mk
Merge branch 'maint' of https://github.com/erlang/otp into maint

# By Björn-Egil Dahlberg (1) and others
# Via Erlang/OTP (2) and Henrik Nord (2)
* 'maint' of https://github.com/erlang/otp:
  Update release notes
  Fix default behaviour for legacy fdopen
  erts: Fix inet close on prebound fds
  kernel: When doing an fdopen we now also bind the fd to the specified addr/port
  Fix a minor typo in system_principles/versions.xml