* Remove unused libnest2d files. Make it use the global build script targets.
* Modify FindTBB to address multi-config builds and take care of __TBB_NO_IMPLICIT_LINKAGE
* Move FindNLopt to project common cmake module dir
* Rename libnest.hpp to nester.hpp and libnest.h to libnest.hpp
* Clean up common test suite build scripts
Try to link tests on Mac.
Fix inaccurate pad brim size
fix build on mac (attempt 2)
Fixes for support tree faults and race conditions in release mode.
Fix crashing test executable on gcc 4.9
fix warning on msvc