criu: Version 2.2

This is bugfix mostly release again.

Also did some tunes for better integration with OpenVZ (action scripts),
updated to support newer kernels improvements and removed pagemap greedy
mode and --namespaces option.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

Makefile.versions

 #
 # CRIU version.
 CRIU_VERSION_MAJOR	:= 2
-CRIU_VERSION_MINOR	:= 1
+CRIU_VERSION_MINOR	:= 2
 CRIU_VERSION_SUBLEVEL	:=
 CRIU_VERSION_EXTRA	:=
-CRIU_VERSION_NAME	:= Steel Lapwing
+CRIU_VERSION_NAME	:= Carbon Nightingale
 CRIU_VERSION		:= $(CRIU_VERSION_MAJOR)$(if $(CRIU_VERSION_MINOR),.$(CRIU_VERSION_MINOR))$(if $(CRIU_VERSION_SUBLEVEL),.$(CRIU_VERSION_SUBLEVEL))
 
 export CRIU_VERSION_MAJOR CRIU_VERSION_MINOR CRIU_VERSION_SUBLEVEL