Remove support for End Of Life (EOL) Fedora 22

Fedora 22 reaches its EOL on 19-JUL-2016[1].  Remove it as
officially supported distribution.

The current two supported Fedora distributions are Fedora 23 and Fedora
24.  (Change Ia4a58de4973ef228735c48b33453a0562dc65258 already added
support for Fedora 24.)

[1] https://fedoramagazine.org/fedora-22-end-of-life-2016-july/

Change-Id: I5b4e1ddb6165a9065e80e84175246678a7356f18
diff --git a/files/rpms/general b/files/rpms/general
index ee2e8a0..d0ceb56 100644
--- a/files/rpms/general
+++ b/files/rpms/general
@@ -7,9 +7,9 @@
 gettext  # used for compiling message catalogs
 git-core
 graphviz # needed only for docs
-iptables-services  # NOPRIME f22,f23,f24
+iptables-services  # NOPRIME f23,f24
 java-1.7.0-openjdk-headless  # NOPRIME rhel7
-java-1.8.0-openjdk-headless  # NOPRIME f22,f23,f24
+java-1.8.0-openjdk-headless  # NOPRIME f23,f24
 libffi-devel
 libjpeg-turbo-devel # Pillow 3.0.0
 libxml2-devel # lxml
diff --git a/files/rpms/nova b/files/rpms/nova
index 594393e..a883ec4 100644
--- a/files/rpms/nova
+++ b/files/rpms/nova
@@ -7,7 +7,7 @@
 genisoimage # required for config_drive
 iptables
 iputils
-kernel-modules # dist:f22,f23,f24
+kernel-modules # dist:f23,f24
 kpartx
 kvm # NOPRIME
 libvirt-bin # NOPRIME
diff --git a/files/rpms/swift b/files/rpms/swift
index 1e05167..bd249ee 100644
--- a/files/rpms/swift
+++ b/files/rpms/swift
@@ -2,7 +2,7 @@
 liberasurecode-devel
 memcached
 pyxattr
-rsync-daemon # dist:f22,f23,f24
+rsync-daemon # dist:f23,f24
 sqlite
 xfsprogs
 xinetd
diff --git a/lib/ceph b/lib/ceph
index e999647..0c8d160 100644
--- a/lib/ceph
+++ b/lib/ceph
@@ -116,7 +116,7 @@
 
 # check_os_support_ceph() - Check if the operating system provides a decent version of Ceph
 function check_os_support_ceph {
-    if [[ ! ${DISTRO} =~ (trusty|f22|f23|f24) ]]; then
+    if [[ ! ${DISTRO} =~ (trusty|f23|f24) ]]; then
         echo "WARNING: your distro $DISTRO does not provide (at least) the Firefly release. Please use Ubuntu Trusty or Fedora 20 (and higher)"
         if [[ "$FORCE_CEPH_INSTALL" != "yes" ]]; then
             die $LINENO "If you wish to install Ceph on this distribution anyway run with FORCE_CEPH_INSTALL=yes"
diff --git a/stack.sh b/stack.sh
index 5a5a040..4cace9d 100755
--- a/stack.sh
+++ b/stack.sh
@@ -185,7 +185,7 @@
 
 # Warn users who aren't on an explicitly supported distro, but allow them to
 # override check and attempt installation with ``FORCE=yes ./stack``
-if [[ ! ${DISTRO} =~ (trusty|wily|xenial|7.0|wheezy|sid|testing|jessie|f22|f23|f24|rhel7|kvmibm1) ]]; then
+if [[ ! ${DISTRO} =~ (trusty|wily|xenial|7.0|wheezy|sid|testing|jessie|f23|f24|rhel7|kvmibm1) ]]; then
     echo "WARNING: this script has not been tested on $DISTRO"
     if [[ "$FORCE" != "yes" ]]; then
         die $LINENO "If you wish to run this script anyway run with FORCE=yes"