Drop "_value" in alignment with #1594

Author: mkuehbach

base_classes/NXparameters.nxdl.xml

@@ -39,7 +39,7 @@
         parameter, one possible use case is to store parameters that are
         refined by a fitting function or model. A number of attributes
         have been defined to store metadata associated with such a
-        refinment.       
+        refinement.       
     </doc>
     <attribute name="model">
         <doc>
@@ -76,17 +76,17 @@
                 NeXus.
             </doc>
         </attribute>
-        <attribute name="initial_value" type="NX_NUMBER">
+        <attribute name="initial" type="NX_NUMBER">
             <doc>
                 The initial value of the parameter used in optimization.
             </doc>
         </attribute>
-        <attribute name="max_value" type="NX_NUMBER">
+        <attribute name="max" type="NX_NUMBER">
             <doc>
                 The upper bound of the parameter used in optimization.
             </doc>
         </attribute>
-        <attribute name="min_value" type="NX_NUMBER">
+        <attribute name="min" type="NX_NUMBER">
             <doc>
                 The lower bound of the parameter used in optimization.
             </doc>