Adding prebuilt gp binary.
Adding pari-gp source
Adding MultiMake build pack
useless commit
changing build packs
Merge branch 'master' of heroku.com:gentle-savannah-9391 into adding-gp
removing source files
removing pre-buit gp-sta
Changing the gp binary path.
Merge branch 'adding-gp'
Cleaning up unneeded files.
Merge branch 'master' of https://github.com/AthensWorks/factors.io