REFAC: change trend app name. DOC: add markup doc

README.md

+NDVI Time Series applications
+
+# TimeSeriesIndexTrend
+
+This application computes the trend of a given time series index (e.g. NDVI).
+The implemented pipeline is described in Leroux et al. (https://doi.org/10.1016/j.rse.2017.01.014)
+
+![Pipeline](diagram.png)

app/CMakeLists.txt

 cmake_minimum_required (VERSION 2.8)
 
-OTB_CREATE_APPLICATION(NAME           NDVITimeSeriesIndices
-                       SOURCES        otbNDVITimeSeriesIndices.cxx
+OTB_CREATE_APPLICATION(NAME           TimeSeriesIndexTrend
+                       SOURCES        otbTimeSeriesIndexTrend.cxx
                        LINK_LIBRARIES OTBCommon)

app/otbNDVITimeSeriesIndices.cxx → app/otbTimeSeriesIndexTrend.cxx

@@ -32,18 +32,18 @@ namespace otb
 namespace Wrapper
 {
 
-class NDVITimeSeriesIndices : public Application
+class TimeSeriesIndexTrend : public Application
 {
 public:
   /** Standard class typedefs. */
-  typedef NDVITimeSeriesIndices          Self;
+  typedef TimeSeriesIndexTrend          Self;
   typedef Application                   Superclass;
   typedef itk::SmartPointer<Self>       Pointer;
   typedef itk::SmartPointer<const Self> ConstPointer;
 
   /** Standard macro */
   itkNewMacro(Self);
-  itkTypeMacro(NDVITimeSeriesIndices, Application);
+  itkTypeMacro(TimeSeriesIndexTrend, Application);
 
   /** Typedefs for image concatenation */
   typedef otb::ImageList<FloatImageType>  ImageListType;
@@ -120,8 +120,8 @@ private:
 
     testFunctor();
 
-    SetName("NDVITimeSeriesIndices");
-    SetDescription("Perform NDVITimeSeriesIndices");
+    SetName("TimeSeriesIndexTrend");
+    SetDescription("Compute the trend of the indices time series");
 
     // Documentation
     SetDocName("NDVITimeSeriesIndices");
@@ -537,4 +537,4 @@ private:
 }
 }
 
-OTB_APPLICATION_EXPORT( otb::Wrapper::NDVITimeSeriesIndices )
+OTB_APPLICATION_EXPORT( otb::Wrapper::TimeSeriesIndexTrend )