DOC: improvement of some otbapp docs (related to compiling problem of cookbook)

Applications/Classification/otbComputeOGRLayersFeaturesStatistics.cxx

@@ -62,6 +62,12 @@ private:
 
     AddParameter(ParameterType_ListView,  "feat", "List of features to consider for statistics.");
     SetParameterDescription("feat","List of features to consider for statistics.");
+
+    // Doc example parameter settings
+    SetDocExampleParameterValue("inshp", "vectorData.shp");
+    SetDocExampleParameterValue("outstats", "results.xml");
+    SetDocExampleParameterValue("feat", "perimeter");
+
   }
 
   void DoUpdateParameters()

Applications/Classification/otbOGRLayerClassifier.cxx

@@ -77,6 +77,13 @@ private:
     SetParameterDescription("cfield","Field containing the predicted class");
     SetParameterString("cfield","predicted");
 
+    // Doc example parameter settings
+    SetDocExampleParameterValue("inshp", "vectorData.shp");
+    SetDocExampleParameterValue("instats", "meanVar.xml");
+    SetDocExampleParameterValue("insvm", "svmModel.svm");
+    SetDocExampleParameterValue("feat", "perimeter");
+    SetDocExampleParameterValue("cfield", "predicted");
+
   }
 
   void DoUpdateParameters()

Applications/Classification/otbTrainOGRLayersClassifier.cxx

@@ -76,6 +76,13 @@ private:
     SetParameterDescription("cfield","Field containing the class id for supervision. Only geometries with this field available will be taken into account.");
     SetParameterString("cfield","class");
 
+    // Doc example parameter settings
+    SetDocExampleParameterValue("inshp", "vectorData.shp");
+    SetDocExampleParameterValue("instats", "meanVar.xml");
+    SetDocExampleParameterValue("outsvm", "svmModel.svm");
+    SetDocExampleParameterValue("feat", "perimeter");
+    SetDocExampleParameterValue("cfield", "predicted");
+
   }
 
   void DoUpdateParameters()

Applications/Utils/otbBandMathX.cxx

@@ -118,7 +118,7 @@ private:
       "The application takes the following parameters :"
       "- Setting the list of inputs can be done with the 'il' parameter.\n"
       "- Setting expressions can be done with the 'exp' parameter. Separating expressions by semi-colons (; ) will concatenate their results into one multiband output image.\n"
-      "Adding expressions without the use of semi-colons will produce additional output images (not implemented yet).\n"
+      "Adding expressions without the use of semi-colons will produce additional output images.\n"
       "- Setting constants can be done with the 'incontext' parameter. User must provide a txt file with a specific syntax: #type name value\n"
       "An example of such a file is given below:\n\n"
       "#F expo 1.1\n"