release: version 2.2.2

* Release 2.2.2

** Changes
- artifacts: Remove OBS common artifacsts between 2.x and 3.x
- versions: Update kernel and image versions
- Tests: Change nginx image for swarm tests
- install: Extract autoconf-archive install to separate script

** Shortlog
ef8144e artifacts: Remove OBS common artifacsts between 2.x and 3.x
73e28fe versions: Update kernel and image versions
3a9e3d7 Tests: Change nginx image for swarm tests
82cfb1f install: Extract autoconf-archive install to separate script

** Compatibility with Docker
Clear Containers 2.2.2 is compatible with Docker v17.05.0-ce
** OCI Runtime Specification
Clear Containers 2.2.2 support the OCI Runtime Specification
[1.0.0-rc5][ocispec]
** Clear Linux Containers image
Clear Containers 2.2.2 requires at least Clear Linux containers image
[16180][clearlinuximage]
** Clear Linux Containers Kernel
Clear Containers 2.2.2 requires at least Clear Linux Containers  kernel
4.9.35-76

* Installation
- [Centos][centos]
- [Ubuntu][ubuntu]
- [Fedora][fedora]
- [Clear Linux][clearlinux]

* Issues & limitations
- Qemu segfault (free(): invalid pointer) running dnf install #669
- DNS Resolution in Swarm #854
- docker rm -f reports 'Driver devicemapper failed to remove root
filesystem' #795

[centos]:
https://github.com/01org/cc-oci-runtime/blob/master/documentation/Installing-Clear-Containers-on-Centos-7.md
[ubuntu]:
https://github.com/01org/cc-oci-runtime/blob/master/documentation/Installing-Clear-Containers-on-Ubuntu.md
[fedora]:
https://github.com/01org/cc-oci-runtime/blob/master/documentation/Installing-Clear-Containers-on-Fedora.md
[clearlinux]:
https://github.com/01org/cc-oci-runtime/blob/master/documentation/Installing-Clear-Containers-on-ClearLinux.md
[clearlinuximage]:
https://download.clearlinux.org/releases/16180/clear/clear-16180-containers.img.xz
[ocispec]:
https://github.com/opencontainers/runtime-spec/releases/tag/v1.0.0-rc5

Fixes: #1033

Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>

Author: jcvenegas

configure.ac

@@ -21,7 +21,7 @@
 #
 
 AC_PREREQ([2.69])
-AC_INIT([cc-oci-runtime], [2.2.1])
+AC_INIT([cc-oci-runtime], [2.2.2])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([foreign -Wall -Werror -Wno-portability silent-rules subdir-objects color-tests no-dist-gzip dist-xz])
 AM_SILENT_RULES([yes])