gulp build fails on windows

[mathisonian]

from @prajithlal on the gitter channel:

an error is thrown when running gulp build on windows

D:\GitHubClone\lightning\node_modules\jsdom\lib\jsdom.js:55
throw new RangeError(`Invalid parsingMode option ${JSON.stringify(options.
^
SyntaxError: Unexpected token ILLEGAL
at Module._compile (module.js:439:25)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (D:\GitHubClone\lightning\node_modules\d3\index.js:1:78)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
dk-lab April 20 2015