Packaging for Linux/Mac

Packaging (Debian) : Ongoing effort to standardize the ADMB build process (Aaron, Arni, Barak, Johnoel); the goal is to make ADMB available in the standard Debian package repository

Packaging (Gentoo) : Ongoing effort to standardize the ADMB build process (Arni, Hugo, Johnoel); the goal is to make ADMB available in the standard Gentoo package repository