fix search for POCO libraries
add FindTBB.cmake script for Intel Threading Building Blocks
make fixes to CMake find scripts so they work on Linux
add in fixes and start consolidating to a single CMakeLists.txt file
look for BOOST logs in CMake
add variables in CMake for various testing configurations
Merge pull request #26 from firefly2442/cmake-fixes

Cmake fixes from firefly2442 :)