utilities: Use locale workaround only if locales are supported

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>
iiod: Handle the case where __USE_MISC is already defined

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>
Add possibility to build with CMake and bump to version 0.2

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>