DOC: Wrote OS X LÖVE method, and added a note about libcurl as a replacement if failed to install luasec.
DOC: Wrote OS X LÖVE method, and added a note about libcurl as a replacement if failed to install luasec.

Former-commit-id: 4cafd87de9260e77db0ecb906044d6bf81e29fff
RamiLego4Game/LIKO-12