v1.2 of GPUTUM FEM Solver

Improvements in version 1.2:
  -Added 2 new examples for FEM solver usage
  -Added import functionality for sparse and normal matrices
   in Matlab .mat file format
  -Fixed bugs to get working versions for both Windows OS &
   Mac OS X (in addition to already-working version on Linux)
  -Improvements to CMake build & test
  -Optimized memory usage for device-side vs. host-side
  -Added verbose debugging information (optional)

Initial Release (v1.0) of GPUTUM FEM Solver

This is the original release of FEM Solver as written by Zhisong Fu, and modified with this library's original API.