New Features in Coin v4.0.3

This is a bugfix release.

This is a brief summary of the new features in Coin v4.0.3:

• Added support for building modern styled documentation.
• Set minimum C++ standard needed to compile Coin to C++11.

Bug fixes:

• Fixed LTOcompilation ODR error.
• Fixed suspicious increment in SbProfilingData.cpp.
• Fixed SbTri3f intersect calculation.
• Improved auto clipping.
• Fixed orthographic autoclipping by allowing negative farDistance.
• Fixed rotating a VRMLBackground node with its ancestors' rotations.