Added draft implementation of Custom Nutty Slider

- Added draft implementation of Custom Nutty Slider.
- Implemented draft functionality with the video player
- There are some bugs which will be fixed in the near feature
- The codes clean-up is also needed
- Just want to commit these changes in order not to loose them
removed fprintf methods from CustomSlider.cpp
Merge pull request #24 from lkarapetyan/nuttyslider

Added draft implementation of Custom Nutty Slider