Merge branch 'devel' into 'master'

new release

See merge request !29

README.md

-WOLF - Windowed Localization Frames | Vision Plugin
-===================================
+WOLF Vision Plugin
+==================
 
-For installation guide and code documentation, please visit the [documentation website](http://mobile_robotics.pages.iri.upc-csic.es/wolf_projects/wolf_lib/wolf-doc-sphinx/).
+For installation guide and code documentation, please visit the [documentation website](http://www.iri.upc.edu/wolf).

include/vision/capture/capture_image.h

@@ -57,7 +57,7 @@ class CaptureImage : public CaptureBase
         cv::Mat                         global_descriptor_;
 
     public:
-        CaptureImage(const TimeStamp& _ts, SensorCameraPtr _camera_ptr, cv::Mat _data_cv);
+        CaptureImage(const TimeStamp& _ts, SensorCameraPtr _camera_ptr, const cv::Mat& _data_cv);
         ~CaptureImage() override;
 
         const cv::Mat& getImage() const;

src/capture/capture_image.cpp

@@ -23,7 +23,7 @@
 
 namespace wolf {
 
-CaptureImage::CaptureImage(const TimeStamp& _ts, SensorCameraPtr _camera_ptr, cv::Mat _data_cv) :
+CaptureImage::CaptureImage(const TimeStamp& _ts, SensorCameraPtr _camera_ptr, const cv::Mat& _data_cv) :
     CaptureBase("CaptureImage", _ts, _camera_ptr),
     frame_(_data_cv),
     grid_features_(nullptr),