adding USIKS (OKS and MKS) mod
removing final comma for proper JSON
fixing USIKolonizationSystems based on author input and minimizing Firespitter dependency.
fixing USIKolonizationSystems based on author input and minimizing Firespitter dependency. cont'd
fixing typo
Merge pull request #42 from btbonval/USIKS

adding USIKS (MKS/OKS) mod