conserver: update to version 8.2.4

conserver: update to version 8.2.4

version 8.2.4 (March 26, 2019):
        - Correct man page typo (Ed Maste <redacted>)
        - 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 <redacted>)
        - Correct argument type passed to time() (Ed Maste <redacted>)
        - Fix compilation without deprecated OpenSSL APIs (Rosen Penev <redacted>)
        - Fix compilation without deprecated OpenSSL 1.1 APIs (Rosen Penev <redacted>)
        - Fix #6 - clang "-Wstring-plus-int" warning (Bryan Stansell <redacted>)
        - configure.in: Add test for closefrom (Ed Maste <redacted>)
        - regenerate autoconf files (Ed Maste <redacted>)
        - Use closefrom if available (Ed Maste <redacted>)
        - Correct typo (Ed Maste <redacted>)
        - Add Cirrus-CI FreeBSD CI build config (Ed Maste <redacted>)
        - off by one found by Ed Maste (Bryan Stansell <redacted>)

openwrt packaging:
 - removed upstreamed 010-openssl-deprecated.patch

Signed-off-by: Bjørn Mork <redacted>