Added TOC to most of tutorials

doc/tutorials/app/intelperc.markdown

@@ -1,6 +1,8 @@
 Using Creative Senz3D and other Intel RealSense SDK compatible depth sensors {#tutorial_intelperc}
 =======================================================================================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_orbbec_astra}
 
 **Note**: This tutorial is partially obsolete since PerC SDK has been replaced with RealSense SDK

doc/tutorials/app/kinect_openni.markdown

@@ -1,6 +1,8 @@
 Using Kinect and other OpenNI compatible depth sensors {#tutorial_kinect_openni}
 ======================================================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_video_write}
 @next_tutorial{tutorial_orbbec_astra}
 

doc/tutorials/app/orbbec_astra.markdown

@@ -1,6 +1,8 @@
 Using Orbbec Astra 3D cameras {#tutorial_orbbec_astra}
 ======================================================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_kinect_openni}
 @next_tutorial{tutorial_intelperc}
 

doc/tutorials/app/raster_io_gdal.markdown

@@ -1,6 +1,8 @@
 Reading Geospatial Raster files with GDAL {#tutorial_raster_io_gdal}
 =========================================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_trackbar}
 @next_tutorial{tutorial_video_input_psnr_ssim}
 

doc/tutorials/app/trackbar.markdown

@@ -1,6 +1,8 @@
 Adding a Trackbar to our applications! {#tutorial_trackbar}
 ======================================
 
+@tableofcontents
+
 @next_tutorial{tutorial_raster_io_gdal}
 
 |    |    |

doc/tutorials/app/video_input_psnr_ssim.markdown

@@ -1,6 +1,8 @@
 Video Input with OpenCV and similarity measurement {#tutorial_video_input_psnr_ssim}
 ==================================================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_raster_io_gdal}
 @next_tutorial{tutorial_video_write}
 

doc/tutorials/app/video_write.markdown

@@ -1,6 +1,8 @@
 Creating a video with OpenCV {#tutorial_video_write}
 ============================
 
+@tableofcontents
+
 @prev_tutorial{tutorial_video_input_psnr_ssim}
 @next_tutorial{tutorial_kinect_openni}