update npm scripts to work with both jsdocs and sassdocs
update npm scripts to work with both jsdocs and sassdocs

urbec/sks-web,paulvanbladel/es6-jspm-gulp-boilerplate,fauxnoir/particles,urbec/sks-web,fauxnoir/particles,vadimpopa/es6-jspm-gulp-boilerplate,fauxnoir/portfolio-2016,paulvanbladel/es6-jspm-gulp-boilerplate,christianharke/es6-jspm-gulp-boilerplate,alexweber/es6-jspm-gulp-boilerplate,alexweber/es6-jspm-gulp-boilerplate,vadimpopa/es6-jspm-gulp-boilerplate,christianharke/es6-jspm-gulp-boilerplate,fauxnoir/portfolio-2016