Update "Harvard Durham University Business School" style to better ma…

…tch the reference examples

Update "Harvard Durham University Business School" style to better match the reference examples on page three of reference document http://www.dur.ac.uk/resources/library/teaching/writingyourbibliography.pdf.

 -	Avoid hanging indentation in the bibliography
 -	Use text ("and") instead of a symbol ("&") as delimiter between the second to last and last name of the authors or editors

harvard-durham-university-business-school.csl

@@ -12,12 +12,12 @@
     <category citation-format="author-date"/>
     <category field="generic-base"/>
     <summary>Harvard author-date style edited for Durham University Business School</summary>
-    <updated>2013-03-18T21:27:00+00:00</updated>
+    <updated>2013-04-04T23:01:07+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <macro name="editor">
     <names variable="editor" delimiter=", ">
-      <name and="symbol" delimiter=", "/>
+      <name and="text" delimiter=", "/>
       <label form="short" prefix=" (" suffix=")"/>
     </names>
   </macro>
@@ -26,7 +26,7 @@
   </macro>
   <macro name="author">
     <names variable="author">
-      <name and="symbol" name-as-sort-order="all" sort-separator=", " initialize-with="." delimiter-precedes-last="never" delimiter=", "/>
+      <name and="text" name-as-sort-order="all" sort-separator=", " initialize-with="." delimiter-precedes-last="never" delimiter=", "/>
       <label form="short" prefix=" "/>
       <substitute>
         <text macro="editor"/>
@@ -154,7 +154,7 @@
       </group>
     </layout>
   </citation>
-  <bibliography hanging-indent="true" et-al-min="5" et-al-use-first="4">
+  <bibliography hanging-indent="false" et-al-min="5" et-al-use-first="4">
     <sort>
       <key macro="author"/>
       <key variable="title"/>