reformatted json data files to improve readability and parsing with grep
fixed default values in public/data/default_ecosystems.json that
 appear in the interface and are used in the calculations (note: values in default_ecosytsems.json and name_indexed_ecosystems.json are also incorrect but these values are not used in the web interface; fixes gh-49
Merge branch 'master' of github.com:ebimodeling/ghgvc