Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Fix warnings with gcc 5.0

reconnect.c:
- Convert the K&R prototype of main to an ANSI prototype to mute a
warning from gcc 4.2.1
- Close s_sock2 after finishing off the last test to plug a leak and
mute a warning from gcc 5.0 about a -Wunused-but-set variable

sendfile.c:
- Fix a -Wunused-but-set warning with gcc 5.0 with pagesize in main(..)

MFC after: 5 days
Sponsored by: EMC / Isilon Storage Division

Fix even more warnings..

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

Fix more warnings I didn't catch in the first go-around

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

- Use static buffers for temporary file paths instead of strdup of constant strings
- Don't use /tmp because it's outside ATF's prescribed sandbox
- Use mkstemp instead of mktemp to eliminate warning

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

Add test which excersises problem with unability to change association of
already associated datagram unix domain socket by issuing connect() system
call.