All OSX commands now copyright friendly

Saves confusion to those not entirely sure why "./configure--with-libsodium-headers=/usr/local/Cellar/libsodium/0.4.5/include/ --with-libsodium-libs=/usr/local/Cellar/libsodium/0.4.5/lib/" did not work.
Merge pull request #783 from kylobite/patch-1

All OSX commands now copyright friendly