Align book XML ID with folder name

Mark Craig

28.33.2015 234c8de30ae6bc57bc97e70d6ed07baf5fed2207

 src/main/docbkx/sdk-release-notes/index.xml

@@ -23,7 +23,7 @@
  !      Copyright 2014-2015 ForgeRock AS.
  !    
-->
<book xml:id='release-notes'
<book xml:id='sdk-release-notes'
 xmlns='http://docbook.org/ns/docbook' version='5.0' xml:lang='en'
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
 xsi:schemaLocation='http://docbook.org/ns/docbook