Refs #10546 Added new definition file

Code/Mantid/instrument/BASIS_Definition.xml

 <?xml version='1.0' encoding='ASCII'?>
-<instrument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.mantidproject.org/IDF/1.0" last-modified="2014-10-31 09:42:40.139761" valid-to="2100-01-31 23:59:59" name="BASIS" valid-from="2013-01-20 00:00:00" xsi:schemaLocation="http://www.mantidproject.org/IDF/1.0 http://schema.mantidproject.org/IDF/1.0/IDFSchema.xsd">
+<instrument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.mantidproject.org/IDF/1.0" last-modified="2013-01-21 00:00:00.139761" valid-to="2100-01-31 23:59:59" name="BASIS" valid-from="2013-01-21 00:00:00" xsi:schemaLocation="http://www.mantidproject.org/IDF/1.0 http://schema.mantidproject.org/IDF/1.0/IDFSchema.xsd">
   <!--Created by Michael Reuter-->
   <defaults>
     <length unit="metre"/>