Refactoring/UI Improvments

- Added getName method to Block's
- Refactored code to have all HUD elements into one class
- Added 2.5D semi-isometric view of current block being held
- Removed JSON files due to irrelevency
- Added cobblestone Block
- Refactored spritesheets, added cobblestone image
- Made crosshair smaller
Refactored File

- Never commits with the others