criu: Version 2.3

So, we have some nice new features, again aimed at better integration,
also have massive restorer blob preparation rework and several nasty
bugfixes in mounts code.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

Makefile.versions

 #
 # CRIU version.
 CRIU_VERSION_MAJOR	:= 2
-CRIU_VERSION_MINOR	:= 2
+CRIU_VERSION_MINOR	:= 3
 CRIU_VERSION_SUBLEVEL	:=
 CRIU_VERSION_EXTRA	:=
-CRIU_VERSION_NAME	:= Carbon Nightingale
+CRIU_VERSION_NAME	:= Wooden Duck
 CRIU_VERSION		:= $(CRIU_VERSION_MAJOR)$(if $(CRIU_VERSION_MINOR),.$(CRIU_VERSION_MINOR))$(if $(CRIU_VERSION_SUBLEVEL),.$(CRIU_VERSION_SUBLEVEL))$(if $(CRIU_VERSION_EXTRA),.$(CRIU_VERSION_EXTRA))
 
 export CRIU_VERSION_MAJOR CRIU_VERSION_MINOR CRIU_VERSION_SUBLEVEL