Fix arguments parsing. Add possibility to choose between different features type. Add keypoints matching visualization. Auto format code.

* Create text_detection.py

#12270 #13429
**Deep Learning text detection sample (Python)**
- Tested on **Ubuntu 18.04** - OpenCV 3.4.3, OpenCV 3.4.4, OpenCV 4.0 (master branch)
- Python version supported - Python 2 and Python 3

* Fix trailing whitespaces

* Update text_detection.py

* Remove whitespace

* Remove comments

* Remove unused packages

* Update description

* samples: rename starter_imagelist.cpp

* samples: rename intelperc_capture.cpp => videocapture_intelperc.cpp

* samples: rename openni_capture.cpp => videocapture_openni.cpp

* samples: rename image_sequence.cpp => videocapture_image_sequence.cpp

* samples: rename gstreamer_pipeline.cpp => videocapture_gstreamer_pipeline.cpp

* samples: rename autofocus.cpp => videocapture_gphoto2_autofocus.cpp

* samples: rename live_detect_qrcode.cpp => qrcode.cpp

- drop EnableDelayedExpansion

The load() function returns a new object, and as such does not use the one it is called on.
This commit updates the uses of model.load in this program so it will work as intended and not throw an error.

Add a function that draws frame axes. Useful for debugging purpose and to check the correctness of the output of a pose estimation method.

MSVS is shipped with CMake compoment.

* samples: add winpack "drap & drop" build script

* samples: add search for MSVS 2017 Enterprise