Update changelog and bump version for v2.5.5 release

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

ChangeLog.md

@@ -4,12 +4,17 @@ ChangeLog
 All notable changes to the project are documented in this file.
 
 
-[v2.5.5][UNRELESED]
--------------------
+[v2.5.5][] - 2021-11-21
+-----------------------
 
 ### Changes
 - Revert extraction of version from GIT tag. Incompatible with systems
- that do `autoreconf` on a dist. tarball.
+ that do `autoreconf` on a dist. tarball
+
+### Fixes
+- Fix #175: Parse error in `/etc/smcroute.conf`. SMCRoute fails to
+ start on interfaces with `mrdisc` disabled, when built with mrdisc
+ support and `-N` passed on command line
 
 
 [v2.5.4][] - 2021-11-13
@@ -612,7 +617,7 @@ Initial public release by Carsten Schill.
 
 [mrdisc]: https://github.com/troglobit/mrdisc
 [RFC4286]: https://tools.ietf.org/html/rfc4286
-[UNRELEASED]: https://github.com/troglobit/smcroute/compare/2.5.4...HEAD
+[UNRELEASED]: https://github.com/troglobit/smcroute/compare/2.5.5...HEAD
 [v2.5.5]: https://github.com/troglobit/smcroute/compare/2.5.4...2.5.5
 [v2.5.4]: https://github.com/troglobit/smcroute/compare/2.5.3...2.5.4
 [v2.5.3]: https://github.com/troglobit/smcroute/compare/2.5.2...2.5.3

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
-AC_INIT(SMCRoute, 2.5.5-dev, https://github.com/troglobit/smcroute/issues, smcroute, https://troglobit.com/smcroute.html)
+AC_INIT(SMCRoute, 2.5.5, https://github.com/troglobit/smcroute/issues, smcroute, https://troglobit.com/smcroute.html)
 AC_CONFIG_AUX_DIR(aux)
 AM_INIT_AUTOMAKE([1.11 foreign])
 AM_SILENT_RULES([yes])