add dynamic selection of debug or release for oculus libraries
add debug/release linking to sixense via select_library_configurations
allow use of debug/release leapmotion library with select_library_configurations
fix the LibOVR find module to grab a util header
simplify the sixense find module removing unecessary checks
cleanup the LibOVR and LeapMotion find modules by removing checks
cleanup RtMidi find module
Merge branch 'master' of https://github.com/highfidelity/hifi into select-library
fix stitched-together LibOVR include
cleanup the OpenSSL find module
cleanup the Faceplus find module
cleanup Faceplus and Faceshift find modules, fix for OVR stitched include
more patches to LibOVR module to fix stitched include path
cleanup qxmpp find module, use select_library_confgurations
another attempt at fixing double include for LibOVR
final repairs to LibOVR for multiple include folders
cleanup GLEW find module
cleanup GLM find module
tweaks to FindLibOVR for udev and xinerama
fix re-set of LIBOVR_LIBRARIES in find module