cmake: fix FindUHD.cmake to work better wit CMake 2.6, and in general.
cmake: fix setting and usage of CMAKE_MODULES_DIR
cmake: whitespace only
cmake: on APPLE only, add defaults for rpath and install name info for libraries
Merge remote-tracking branch 'michaelld/refix_findUHD'
Merge remote-tracking branch 'michaelld/cmake_fixes'