Remove extra whitespace

Remove extra whitespace like whitespace at end of line or
before a closing </para>. Also, change tabs to spaces.

Change-Id: I43d5418cc6c21736a29921e88774cdfdadc09b28

v1.0/neutron-api-guide.xml

@@ -586,7 +586,6 @@ Content-Type application/xml
             </example>
             <?hard-pagebreak?>
 
-            
             <example>
                 <title>Version List Request/Response: JSON</title>
                 <literallayout class="monospaced">
@@ -1760,7 +1759,8 @@ Content-Type application/json
                     specified in the request URL.</para><para>Quantum validates the request and dispatches the request to the
                     plugin. It is not guaranteed that the attached
                     resource will be available as soon as the
-                    operation returns. </para><para>The validation can fail if: </para>
+                    operation returns.</para>
+                    <para>The validation can fail if:</para>
                     <itemizedlist spacing="compact">
                         <listitem>
                             <para>An attachment with the same identifier is

v2.0/wadl/os-networks.wadl

@@ -175,7 +175,6 @@
             <representation mediaType="application/json"
                 element="csapi:network">
 
-             
               <!--  <param required="true" name="name" style="plain"
                     type="xsd:string">
                     <wadl:doc xmlns="http://docbook.org/ns/docbook"

v2.0/wadl/os-quotas.wadl

@@ -62,7 +62,6 @@
         </resource>
     </resources>
 
-
     <!--*******************************************************-->
     <!--               All Methods                             -->
     <!--*******************************************************-->