Simplify erl_epmd:names/1, keeping the same functionalities, relying
on inet:gethostbyname/1 being able to handle both atoms and strings.

This change also simplifies the code avoiding a double (conditional)
call to inet:gethostbyname/1 (in net_adm:names/1 and then
erl_epmd:names/1).

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

Update testcase for gen_udp:open/2 with option fd

* nox/filelib-wildcard-broken-link:
  Update stdlib appup file
  Update runtime dependencies
  Update preloaded
  Add tests of filelib and symlinks
  Fix handling of broken symlinks in filelib

Conflicts:
	erts/preloaded/ebin/erl_prim_loader.beam

This fixes a bug introduced in f11aabdc9fec593c31e6c4f3fa25c1707e9c35df where
filelib:eval_read_file_info/2 was made to use file:read_link_info/1 to never
follow symlinks. This fixed wildcard/1 but broke every other function using
eval_read_file_info/2.

Reported-by: Louis-Philippe Gauthier
Reported-by: Danil Zagoskin

* bjorn/kernel/remove-file_info-vestiges/OTP-11982:
  Remove documentation and stub for non-exist file:file_info/1

file:file_info/1 was removed a long time ago, but its
documentation was not removed.