Substitute randperm in SGVector for permute in Math.
Removing deprecated SGRefObject and SGDynamicRefObjectArray (closes #1853, #1764).
Minor fix of non-existing classes in interface files (found by coincidence).
Fix CARTree warning.
Merge pull request #2579 from iglesias/clean_sgvector

Substitute randperm in SGVector for permute in Math.
Merge pull request #2580 from iglesias/fix_warnings

Fix CARTree warning.
Update NEWS

shorten fundamental description
Fix resource leak detected by coverity
CID 26253, 26273, 26222, 26221, 26220
Adding some assertations for passed variables
fixing a lot of very bad whitespacing
Remove generalised HMM class since its implementation is empty.
opencv integration markdowns added
Merge pull request #2489 from kislayabhi/opencv_docs

examples and benchmarks added
Update OpenCV-integration-examples.md
Update OpenCV-integration-examples.md
Update OpenCV_KNN_vs_Shogun_KNN.md
Update OpenCV_KNN_vs_Shogun_KNN.md
Update OpenCV_KNN_vs_Shogun_KNN.md
Remove OpenCV/Home.md since this information is in the home of the wiki.
Merge pull request #2591 from iglesias/develop

Remove OpenCV/Home.md since this information is in the home of the wiki.
Merge pull request #2588 from iglesias/cleanups

Remove generalised HMM class since its implementation is empty.