Moving IRC network reference to OFTC

Change-Id: I1f2ecbde7d7477b6e42cea63bb192b1ed0ed511e

README.md

@@ -53,7 +53,7 @@ Getting around in the VM
     * **Geany** text editor
     * **HexChat** IRC client
         > please make sure that you replace the default user `ubuntu` upon first
-        > start before logging in to Freenode channels.
+        > start before logging in to OFTC channels.
     * **DevStack** is run from /opt/devstack
     * **OpenStack** source code is placed to /opt/stack
 

elements/upstream-training/static/home/ubuntu/.config/hexchat/servlist_.conf

@@ -1,6 +1,6 @@
-N=FreeNode
+N=OFTC
 J=#openstack-dev
 E=UTF-8
 F=23
 D=0
-S=irc.freenode.net/6697
+S=irc.oftc.net/6697