Merge pull request #21 from lkarapetyan/pngtogrid

Added generated thumbnails to the grid view
Improved part related volume control.
Added functionality related videos list scroll view.
Deleted "previous" and "next" buttons.
Merge pull request #22 from Anmeg/scrollViewFix

Improved part related volume control.
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