Dragonblocks Alpha 0.2

Added GUI and improved Map generation

• Font and GUI have been added
• Debug Menu
• Use different physics constants
• Add generation of mountains, oceans, trees, vulcanos, boulders
• Snow, temperature, humidity, colored grass
• Add spawning hut
• Use CMake for building
• Port to FreeBSD, OpenBSD and WSL, support NVIDIA GPUs
• Add fog, sky, clouds
• Daylight cycle
• Screenshot functionality
• Save player positions in database
• Add diffuse lighting
• Frustum culling