Merge pull request #13 from cshenry/dev

Correcting spec for build model command to permit link to NJS
Merge pull request #14 from cshenry/dev

Fixing the app to use non-generic model building
Merge pull request #16 from cshenry/dev

Fixing gap filling to include new parameters and link to NJS
typo fix
fix another minor syntax error
removed invalid characters
more fixes to invalid characters
more fixes to spaces and invalid characters!
Completing adaptation of FBA method and app for new NJS