Bounding box fixes for GOTURN tracker
* Trying to change branch from master to 3.4
* Removing unnecessary if statement
* Frame existence check is added
* Changes in GOTURN tracker for reading path to caffemodel and prototxt files in opencv_extra
* Replacing get_data_path with findDataFile and moving paths in parameters
* tracking: fix GOTURN model loading
* Fixing GOTURN memory test: paths to GOTURN files are in cv::FileNode now
* Fix
* Fix
* Fixing comments
* Deleting trailing space
* Trying to solve the problem with test
* Removing ground truth reading part in GOTURN test
* Removing trailing spaces
* Trying to fix win64/win32 issue
* Fixing problem with win32/win64
* Trying to solve issue with win32/win64