NPM: Replace deprecated packages

Deprecation warnings after running $ npm install

npm WARN deprecated gulp-minify-css@1.2.3: Please use gulp-cssnano instead.
npm WARN deprecated graceful-fs@3.0.8: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible.
npm WARN deprecated lodash@1.0.2: lodash@<3.0.0 is no longer maintained. Upgrade to lodash@^4.0.0.
npm WARN deprecated graceful-fs@1.2.3: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible.
npm WARN deprecated win-spawn@2.0.0: use cross-spawn or cross-spawn-async instead.
npm WARN deprecated npmconf@2.1.2: this package has been reintegrated into npm and is now out of date with respect to npm
npm WARN deprecated lodash.padright@3.1.1: This package has been renamed. Use lodash.padend@^4.0.0.
npm WARN deprecated lodash.padleft@3.1.1: This package has been renamed. Use lodash.padstart@^4.0.0.

ausybenelux / Ocelot