STYLE: Use CHECK() instead of LOF(FATAL)/LOG_IF(FATAL)

See merge request iMSTK/iMSTK!414

CHECK allows smaller signature and clearer to read

Modify uncrustify config

See merge request iMSTK/iMSTK!413

REFAC: Refactor examples

See merge request iMSTK/iMSTK!412

Remove simplistic examples whose features are already demostrated in larger examples or too simplistic
Move PBD and SPH examples under their respective folders (msvc)

CMake External Updates

See merge request iMSTK/iMSTK!398

Fix init of atomic<bool>; fix function sigature of RigidBodyDynamicsExample

See merge request iMSTK/iMSTK!411

Revert "Merge branch 'UnityIntegration' into 'master'"

See merge request iMSTK/iMSTK!410

This reverts merge request !408

ENH: Unity integration

See merge request iMSTK/iMSTK!408

Fix misspelled include header

See merge request iMSTK/iMSTK!407

Remove unnecessary warning in setThreadPoolSize

See merge request iMSTK/iMSTK!406

Refactor collision example

See merge request iMSTK/iMSTK!405

Plus minor refactoring

Improve the efficiency of the tetraToTriangle map

See merge request iMSTK/iMSTK!404

Use a buffer to store the updated surface mesh information and set all at once

Fix tetra-triangle mapper and add tetrahedral cover mesh generation

See merge request iMSTK/iMSTK!403