Bluff3D 6.11

[PF94]

• Engine-level scripting (Lua?)
• Improved usage of ImGui
• Remove unused deprecated joystick code (We have new code for game controllers)
• Fix engine not detecting if a controller has been connected after it (or another one) has been disconnected
• Fix buggy mouse camera rotation
• Remove buggy Linux-only assertion error code which breaks debugging
• Remove code meant to fix compiling on VC6
• Modify license file to include us while still keeping the reference to G3D
• Support ARM platforms?
• Supporting logging into console output instead of in a text file.