3 changes:  1. Export QUICK_V3_ROOT for install_luajit.sh;  2. add "sudo" before "make" in install_luajit.sh;  3. Copy Makefile to LuaJIT-2.0.3/src/ from luajit.org 2.0.3 version
Merge pull request #101 from simplel/v3quick

Some errors when I running setup_mac.sh, fixed