COPYRIGHT: bumped years
make.sh: fixed include paths
Revert "README: added Bitdeli badge"

This reverts commit e4f88f4486433300ddc887e084b55ac51e77183e.

GitHub has broken Bitdeli, not much sense in keeping it.

http://blog.bitdeli.com/post/77717727361/on-githubs-image-proxy
luaL_reg -> luaL_Reg