Renames files /doc/training-guides/operator-guide

Renames files with tags 'bkxxx' and 'chxxx' with
cleaner tags 'bk' and 'ch'.

Change-Id: Ie236f1063a255997ffd9632e58fb5b1b1d3b3b17
Partial-bug: #1338684

doc/training-guides/operator-guide/bk002-operator-training-guide.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<book xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
-  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
-  xml:id="bk003-operator-training-guide">
-    <title>Operator Training Guide</title>
-    <xi:include href="./bk002-ch001-operator-getting-started.xml"/>
-    <xi:include href="./bk002-ch002-operator-getting-started-lab.xml"/>
-    <xi:include href="./bk002-ch003-operator-getting-started-quiz.xml"/>
-    <xi:include href="./bk002-ch004-operator-controller-node.xml"/>
-    <xi:include href="./bk002-ch005-operator-controller-node-lab.xml"/>
-    <xi:include href="./bk002-ch006-operator-controller-node-quiz.xml"/>
-    <xi:include href="./bk002-ch010-operator-network-node.xml"/>
-    <xi:include href="./bk002-ch011-operator-network-node-lab.xml"/>
-    <xi:include href="./bk002-ch012-operator-network-node-quiz.xml"/>
-    <xi:include href="./bk002-ch007-operator-compute-node.xml"/>
-    <xi:include href="./bk002-ch008-operator-compute-node-lab.xml"/>
-    <xi:include href="./bk002-ch009-operator-compute-node-quiz.xml"/>
-    <!-- <xi:include href="./bk002-ch013-operator-object-storage-node.xml"/> -->
-    <xi:include href="./bk002-ch014-operator-object-storage-node-lab.xml"/>
-    <xi:include href="./bk002-ch015-operator-object-storage-node-quiz.xml"/>
-</book>

doc/training-guides/operator-guide/bk_operator-training-guide.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<book xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
+  xml:id="bk_operator-training-guide">
+    <title>Operator Training Guide</title>
+    <xi:include href="./ch_operator-getting-started.xml"/>
+    <xi:include href="./ch_operator-getting-started-lab.xml"/>
+    <xi:include href="./ch_operator-getting-started-quiz.xml"/>
+    <xi:include href="./ch_operator-controller-node.xml"/>
+    <xi:include href="./ch_operator-controller-node-lab.xml"/>
+    <xi:include href="./ch_operator-controller-node-quiz.xml"/>
+    <xi:include href="./ch_operator-network-node.xml"/>
+    <xi:include href="./ch_operator-network-node-lab.xml"/>
+    <xi:include href="./ch_operator-network-node-quiz.xml"/>
+    <xi:include href="./ch_operator-compute-node.xml"/>
+    <xi:include href="./ch_operator-compute-node-lab.xml"/>
+    <xi:include href="./ch_operator-compute-node-quiz.xml"/>
+    <!-- <xi:include href="./ch_operator-object-storage-node.xml"/> -->
+    <xi:include href="./ch_operator-object-storage-node-lab.xml"/>
+    <xi:include href="./ch_operator-object-storage-node-quiz.xml"/>
+</book>

doc/training-guides/st-training-guides.xml

@@ -94,7 +94,7 @@
     <!-- <xi:include href="under-contruction-notice.xml"/> -->
     <xi:include href="bk000-preface.xml"/>
     <xi:include href="associate-guide/bk_associate-training-guide.xml"/>
-    <xi:include href="operator-guide/bk002-operator-training-guide.xml"/>
+    <xi:include href="operator-guide/bk_operator-training-guide.xml"/>
     <xi:include href="developer-guide/bk003-developer-training-guide.xml"/>
     <xi:include href="architect-guide/bk004-architect-training-guide.xml"/>
     <!-- For Juno Release -->