pull out glew and freeglut so they can be external dependencies
Merge branch 'master' of https://github.com/highfidelity/hifi into cleanup-externals
cleanup interface CMakeLists for freeglut and GLEW finding
add a find module for glew and tweak glm module
tweak the GLEW and glut modules to be more hifi specific
look in {HIFI_LIB_DIR}/glm for glm on windows
add information to setup external libs on windows
clarifications for the root_lib_dir for windows build
clarify the glm note
fix warning about malformed case statement
Merge branch 'master' of https://github.com/highfidelity/hifi into cleanup-externals
move sixense directory to lowercase, have find module look in env dir
also look in HIFI_LIB_DIR for oculus lib
fix the Sixense and LibOVR find modules
update sixense and oculus readme to suggest use of HIFI_LIB_DIR
fix typos in updated sixense and oculus READMEs
have the FindGLM module check HIFI_LIB_DIR
repair the glut find module to check include for header
pick the correct arch for GLEW on windows
repair indentation in root CMakeLists