Add Fedora 27 support

Removing the (f23,)f24 support they are EOL.
The only non-trivial change is the apache-httpd default worker change,
however might not be bad idea to use `event` instead of `worker`
in the future, but for now keep it AS-IS and continue to use `worker`.

Change-Id: I96d414a30b58bc4b43da45066fdf310a6a830079
Closes-Bug: #1740194
diff --git a/files/rpms/cinder b/files/rpms/cinder
index 3bc4e7a..e6addc6 100644
--- a/files/rpms/cinder
+++ b/files/rpms/cinder
@@ -1,5 +1,5 @@
 iscsi-initiator-utils
 lvm2
 qemu-img
-scsi-target-utils # not:rhel7,f24,f25,f26 NOPRIME
-targetcli # dist:rhel7,f24,f25,f26 NOPRIME
+scsi-target-utils # not:rhel7,f25,f26,f27 NOPRIME
+targetcli # dist:rhel7,f25,f26,f27 NOPRIME
diff --git a/files/rpms/general b/files/rpms/general
index f3f8708..878b935 100644
--- a/files/rpms/general
+++ b/files/rpms/general
@@ -9,9 +9,9 @@
 graphviz # needed only for docs
 httpd
 httpd-devel
-iptables-services  # NOPRIME f23,f24,f25,f26
+iptables-services  # NOPRIME f25,f26,f27
 java-1.7.0-openjdk-headless  # NOPRIME rhel7
-java-1.8.0-openjdk-headless  # NOPRIME f23,f24,f25,f26
+java-1.8.0-openjdk-headless  # NOPRIME f25,f26,f27
 libffi-devel
 libjpeg-turbo-devel # Pillow 3.0.0
 libxml2-devel # lxml
diff --git a/files/rpms/nova b/files/rpms/nova
index 64ed480..9fb7282 100644
--- a/files/rpms/nova
+++ b/files/rpms/nova
@@ -7,7 +7,7 @@
 genisoimage # required for config_drive
 iptables
 iputils
-kernel-modules # dist:f23,f24,f25,f26
+kernel-modules # dist:f25,f26,f27
 kpartx
 libxml2-python
 m2crypto
diff --git a/files/rpms/swift b/files/rpms/swift
index 2e09cec..be0db14 100644
--- a/files/rpms/swift
+++ b/files/rpms/swift
@@ -2,7 +2,7 @@
 liberasurecode-devel
 memcached
 pyxattr
-rsync-daemon # dist:f23,f24,f25,f26
+rsync-daemon # dist:f25,f26,f27
 sqlite
 xfsprogs
 xinetd