Swapped positions of high angle elastic banks. refs #2811

The banks at 4 and 10 o'clock (when looking back towards
the moderator) are now swapped.

Code/Mantid/instrument/VISION_Definition.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='ASCII'?>
-<instrument valid-to="2100-01-31 23:59:59" name="VISION" valid-from="2012-01-01 00:00:00.000000">
+<instrument valid-to="2100-01-31 23:59:59" name="VISION" valid-from="2012-04-05 11:57:26.455085">
   <!-- Created by Stuart Campbell -->
   <defaults>
     <length unit="metre"/>
@@ -1252,7 +1252,7 @@
   </type>
   <type name="bank3">
     <component type="eightpack-elastic">
-      <location y="0.243003979552" x="0.586663503145" z="0.0">
+      <location y="-0.243003979552" x="-0.586663503145" z="0.0">
         <rot axis-z="0" axis-x="0" axis-y="1" val="0">
           <rot axis-z="0" axis-x="1" axis-y="0" val="-90.0">
             <rot axis-z="1" axis-x="0" axis-y="0" val="0.0"/>
@@ -1264,7 +1264,7 @@
   </type>
   <type name="bank6">
     <component type="eightpack-elastic">
-      <location y="-0.243003979552" x="0.586663503145" z="0.0">
+      <location y="0.243003979552" x="-0.586663503145" z="0.0">
         <rot axis-z="0" axis-x="0" axis-y="1" val="0">
           <rot axis-z="0" axis-x="1" axis-y="0" val="-90.0">
             <rot axis-z="1" axis-x="0" axis-y="0" val="0.0"/>
@@ -1300,7 +1300,7 @@
   </type>
   <type name="bank15">
     <component type="eightpack-elastic">
-      <location y="-0.243003979552" x="-0.586663503145" z="0.0">
+      <location y="0.243003979552" x="0.586663503145" z="0.0">
         <rot axis-z="0" axis-x="0" axis-y="1" val="0">
           <rot axis-z="0" axis-x="1" axis-y="0" val="-90.0">
             <rot axis-z="1" axis-x="0" axis-y="0" val="0.0"/>
@@ -1312,7 +1312,7 @@
   </type>
   <type name="bank18">
     <component type="eightpack-elastic">
-      <location y="0.243003979552" x="-0.586663503145" z="0.0">
+      <location y="-0.243003979552" x="0.586663503145" z="0.0">
         <rot axis-z="0" axis-x="0" axis-y="1" val="0">
           <rot axis-z="0" axis-x="1" axis-y="0" val="-90.0">
             <rot axis-z="1" axis-x="0" axis-y="0" val="0.0"/>