OpenMiner v0.0.11

Simplified changelog:

• Chunk meshing is now multi-threaded (#177)
• Server is now able to process more than one packet per tick
• Now using BGFX instead of plain OpenGL (#187)

Detailed changelog

• b417391 - Fixed server crash when two players tried to connect with same name
• 2496f2e - Start of multi-threaded chunk meshing (#177)
• b7c9658 - End of #177 (see PR for more details)
• 7d3d231 - Tweaked AO values
• 54b0bdc - Added optional view bobbing
• a5de07c - Added profiler window
• 26fbc87 - Added more chunk info in debug overlay
• 341e8fa - Fixed issue with liquid block rendering
• 3b13b36 - Fixed a bug preventing loading of incompatible save files
• 5057e27 - Fixed crash in Lua API
• 6e045a9 - Server is now able to process more than one packet per tick
• 365401d - Start of BGFX migration (#187)
• b6e01b6 - End of BGFX migration (#187)