MFC r309356: svn 1.9.4 -> 1.9.5

MFC r275385 (by bapt):
Sync the svn template with the one from ports

MFC r289180 (by peter):
Update from svn-1.8.14 to 1.9.2.

Formal release notes are available:
https://subversion.apache.org/docs/release-notes/1.9.html

Of particular note, the client checkout format has *not* changed so
upgrades should *not* be required.

When reading a repository (file:// or running as a local server), an
improved fsfs version 7 is available with significant performance
improvements. An optional upgrade is possible to use the new features.
Without the upgrade, this is fully read/write compatible with the
version 6 fsfs as in svn-1.8.

MFC r298845:
Update from subversion 1.9.2 to 1.9.4.

This contains only bug fixes, no new features. The repository format is
also unchanged from 1.9.2. Full list of changes between 1.9.4 and
earlier versions:

https://svn.apache.org/repos/asf/subversion/tags/1.9.4/CHANGES

Note that the two security issues fixed in 1.9.4 (CVE-2016-2167 and
CVE-2016-2168) do not affect the version of Subversion in the FreeBSD
base system, since neither SASL nor Apache modules are enabled.

MFC r298996:
Re-sync the FreeBSD-specific Subversion template with the one from
ports.

Relnotes: yes

MFC: r269851,r272076,r274884,r282328,r285644,r286503,r286504,r286505,
r286506,r286510,r286561,r286562,r287034

Update svnlite from 1.8.10 to 1.8.14, and the support components:
serf->1.3.8, apr->1.5.2, apr-util->1.5.4, sqlite3->3.8.11.1

This includes syncing the developer templates with head.

MFC r266728,266731,266735,266736,268135,268960,269833
Update apr 1.4.8 -> 1.5.1
Update apr-util 1.5.2 -> 1.5.3
Update serf 1.3.4 -> 1.3.7
Update svnlite 1.8.8 -> 1.8.10
Deal with svnlite.1 manpage.

MFC r269318:
Replace 'GNATS' with 'Bugzilla' in the base subversion commit
template.

Approved by: peter (implicit, original approver)
Sponsored by: The FreeBSD Foundation

MFC r263434:
Update commit template to include 'Relnotes:' tag, to
help re@ track release notes candidates.

Sponsored by: The FreeBSD Foundation

MFC r257129,257936,258084,258569,258602,262250,262251
svn-1.8.4, 1.8.5, 1.8.8 and self-contained private support libraries

MFC r257129:
Remove time and date stamps from svn* binaries, in order to make the
builds reproducible.

Approved by: re (glebius)

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

Update subversion-1.8.0 -> 1.8.1. Update supporting
components: apr-1.4.6 -> 1.4.8 and apr-util-1.4.1 -> 1.5.2.

This is a post point-zero bug-fix / fix-sharp-edges release, including
some workarounds for UTF-8 for people who haven't yet turned on WITH_ICONV.

Merge 1.8.0

Merge the commit template patch.

Merge the 3-way merge marker tweak.

Introduce svnlite so that we can check out our source code again.

This is actually a fully functional build except:
* All internal shared libraries are static linked to make sure there
is no interference with ports (and to reduce build time).
* It does not have the python/perl/etc plugin or API support.
* By default, it installs as "svnlite" rather than "svn".
* If WITH_SVN added in make.conf, you get "svn".
* If WITHOUT_SVNLITE is in make.conf, this is completely disabled.

To be absolutely clear, this is not intended for any use other than
checking out freebsd source and committing, like we once did with cvs.

It should be usable for small scale local repositories that don't
need the python/perl plugin architecture.

Import trimmed svn-1.8.0-rc3