decolor module updated
new interface added. decolor and cloning module added.

Both modules added
added keyboard control
edge preserve filters added and windows warning removed

update1
new filters added and all the 3 modules updated

All 3 modules Updated
cloning demo added
remove cloning_example.cpp
renamed
cloning_demo error removed
errors in samples/cpp removed
cloning_gui.cpp updated
whitespaces removed and other minor changes to fix build error

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Removed Headers

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Update 28
Changed STL in contrast_preserve file
Update to remove Android error
Revert Back
Changes done in decolorization module
Changes done in cloning module
Changes done in npr module
Removed build errors and removed test images

Removed conflict

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Errors fixed

Removed opencv_extra folder inside opencv folder
New changes done and removed opencv_extra folder

Removed opencv_extra folder inside opencv folder

New changes done

Removed test images