Fix in CMakeLists.txt
In root folder, added compiler and linker flags for OpenMP. In lib
folder, corrected path for SSBA_LIBRARY_DIR, since CMAKE_SOURCE_DIR.
Changed if clause from if(APPLE) to if(UNIX), because 'UNIX' includes
'APPLE'. Corrected library path.
Merge pull request #5 from udovicic/master

missing(?) executable