changed to descriptive name

as suggested in https://hub.qgis.org/issues/9868

Author: anitagraser

python/plugins/processing/algs/qgis/EquivalentNumField.py

@@ -72,10 +72,10 @@ def processAlgorithm(self, progress):
         del writer
 
     def defineCharacteristics(self):
-        self.name, self.i18n_name = self.trAlgorithm('Create equivalent numerical field')
+        self.name, self.i18n_name = self.trAlgorithm('Add unique value index field')
         self.group, self.i18n_group = self.trAlgorithm('Vector table tools')
         self.addParameter(ParameterVector(self.INPUT,
                                           self.tr('Input layer'), [ParameterVector.VECTOR_TYPE_ANY]))
         self.addParameter(ParameterTableField(self.FIELD,
                                               self.tr('Class field'), self.INPUT))
-        self.addOutput(OutputVector(self.OUTPUT, self.tr('Numeric field')))
+        self.addOutput(OutputVector(self.OUTPUT, self.tr('Layer with index field')))