Added alias for make, as well as handling the special set up case (where we don't wish to alias make until after our conf files are bult.
Added build.conf to our conf file list.
Created build.conf to store maximum number of cores var.
Removed no exit code warning as we're now simply aliasing make rather than running it -- it's implied.
Merge pull request #35 from NASA-Tensegrity-Robotics-Toolkit/multi_core

Multi-core building