Upgrade conserver8 to version 8.2.4.

Pkgsrc changes:
 * Adapt to re-location to github
 * Fix patching of the conserver.cf man page
 * Adapt to README -> README.md change
 * Enable LICENSE setting (even though there's more to it, see comment)

Upstream changes:

version 8.2.4 (March 26, 2019):
  - Correct man page typo (Ed Maste <emaste@freebsd.org>)
  - Remove autotools generated files from repo and create with release
  - Better integration of Cirrus CI - FreeBSD, Linux, and MacOS
  - Moving README to markdown
  - Fix #12 - Remote infomation flags (i.e. "-x") cannot be filtered by console
  - Fix #8 - defaultaccess appears broken
  - Rename configure.in and use autoreconf
  - Better use of version.h and letting configure build things with versions

version 8.2.3 (March 17, 2019):
  - Correct 'impi' typo (Ed Maste <emaste@freebsd.org>)
  - Correct argument type passed to time() (Ed Maste <emaste@freebsd.org>)
  - Fix compilation without deprecated OpenSSL APIs
    (Rosen Penev <rosenp@gmail.com>)
  - Fix compilation without deprecated OpenSSL 1.1 APIs
    (Rosen Penev <rosenp@gmail.com>)
  - Fix #6 - clang "-Wstring-plus-int" warning
    (Bryan Stansell <bryan@conserver.com>)
  - configure.in: Add test for closefrom (Ed Maste <emaste@freebsd.org>)
  - regenerate autoconf files (Ed Maste <emaste@freebsd.org>)
  - Use closefrom if available (Ed Maste <emaste@freebsd.org>)
  - Correct typo (Ed Maste <emaste@freebsd.org>)
  - Add Cirrus-CI FreeBSD CI build config (Ed Maste <emaste@freebsd.org>)
  - off by one found by Ed Maste (Bryan Stansell <bryan@conserver.com>)

version 8.2.2 (May 28, 2018):
  - fixes for OpenSSL 1.1+ - patch by Eneas U de Queiroz
    <cote2004-github@yahoo.com>
  - adjustments to documentation after move to github
  - removal of old RCS/CVS tags since we have git

2 files changed, 37 insertions, 37 deletions

diff --git a/comms/conserver8/patches/patch-ab b/comms/conserver8/patches/patch-ab
deleted file mode 100644
index 90042c032c1..00000000000
--- a/comms/conserver8/patches/patch-ab
+++ /dev/null
@@ -1,37 +0,0 @@
-$NetBSD: patch-ab,v 1.2 2017/01/18 09:54:51 he Exp $
-
-Document that escape sequence converts to "telnet break" when using telnet.
-
---- conserver.cf/conserver.cf.man.orig	2004-11-06 01:20:30.000000000 +0100
-+++ conserver.cf/conserver.cf.man
-@@ -271,7 +271,30 @@ is ``and''ed with 0x1f)
- .PD
- .RE
- .RE
-+.sp
-+For consoles accessed using the telnet protocol, the \f3\ez\fP
-+sequence will be translated to the telnet protocol's ``send break''
-+protocol sequence.
-+.sp
-+Conserver provides the following predefined default break strings:
-+.RS
-+.sp
-+.PD 0
-+.TP
-+\f30\fP
-+\ez
-+.TP
-+\f31\fP
-+\er~^b
-+.TP
-+\f32\fP
-+#.
-+.TP
-+\f33\fP
-+\er\ed~\ed^b    (with 600ms delay)
- .RE
-+.RE
-+.sp
- .TP
- \f3config\fP \f2hostname\fP|\f2ipaddr\fP
- .br
diff --git a/comms/conserver8/patches/patch-conserver.cf_conserver.cf.man.in b/comms/conserver8/patches/patch-conserver.cf_conserver.cf.man.in
new file mode 100644
index 00000000000..f6c7290ba8f
--- /dev/null
+++ b/comms/conserver8/patches/patch-conserver.cf_conserver.cf.man.in
@@ -0,0 +1,37 @@
+$NetBSD: patch-conserver.cf_conserver.cf.man.in,v 1.1 2019/05/23 15:14:51 he Exp $
+
+Document what escape sequence converts to "telnet break" when using telnet.
+
+--- conserver.cf/conserver.cf.man.in.orig	2019-03-27 05:30:44.000000000 +0000
++++ conserver.cf/conserver.cf.man.in
+@@ -303,7 +303,30 @@ is ``and''ed with 0x1f)
+ .PD
+ .RE
+ .RE
+++.sp
+++For consoles accessed using the telnet protocol, the \f3\ez\fP
+++sequence will be translated to the telnet protocol's ``send break''
+++protocol sequence.
+++.sp
+++Conserver provides the following predefined default break strings:
+++.RS
+++.sp
+++.PD 0
+++.TP
+++\f30\fP
+++\ez
+++.TP
+++\f31\fP
+++\er~^b
+++.TP
+++\f32\fP
+++#.
+++.TP
+++\f33\fP
+++\er\ed~\ed^b    (with 600ms delay)
+ .RE
++.RE
++.sp
+ .TP
+ \f3config\fP \f2hostname\fP|\f2ipaddr\fP
+ .br