Fixes for better RPM packaging

Spec file installs default example hosts files
Spec file marks the contents of /etc/ansible as %config(noreplace)

Example hosts file now with instructional comments

examples/ansible_hosts

@@ -1,12 +0,0 @@
-[webservers]
-alpha.example.org
-beta.example.org
-192.168.1.100
-192.168.1.110
-
-[dbservers]
-192.168.1.200
-192.168.1.201
-foo.example.org
-bar.example.org
-

examples/hosts

@@ -0,0 +1,37 @@
+# This is the default ansible 'hosts' file.
+#
+# It should live in /etc/ansible/hosts
+#
+#   - Comments begin with the '#' character
+#   - Blank lines are ignored
+#   - Groups of hosts are delimited by [header] elements
+#   - You can enter hostnames or ip addresses
+#   - A hostname/ip can be a member of multiple groups
+#
+# Ex 1: Ungrouped hosts, specify before any group headers.
+green.bikeshed.org
+blue.bikeshed.org
+red.bikeshed.org
+bikeshed.org
+bastion.secure.bikeshed.org
+192.168.100.1
+192.168.100.10
+
+# Ex 2: A collection of hosts belonging to the 'webservers' group
+[webservers]
+www01.bikeshed.org
+www02.bikeshed.org
+wheel.colors.com
+192.168.1.100
+192.168.1.110
+# Your personal website also runs a webserver:
+myserver.com
+
+# Ex 3: A collection of database servers in the 'dbservers' group
+[dbservers]
+db01.intranet.mydomain.net
+10.25.1.56
+db02.intranet.mydomain.net
+10.25.1.57
+# Perhaps you serve a db off your personal server too:
+myserver.com