fix npm warnings

[bertt]

npm WARN deprecated node-uuid@1.4.8: Use uuid module instead
npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0
.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
npm WARN deprecated babel-preset-es2015@6.24.1: 🙌  Thanks for using Babel: we recommend using babel-preset-env now: please read babeljs.i
o/env to update!
npm WARN deprecated bower@1.8.2: ...psst! Your project can stop working at any moment because its dependencies can change. Prevent this by
 migrating to Yarn: https://bower.io/blog/2017/how-to-migrate-away-from-bower/
npm WARN deprecated @types/assert@0.0.29: See https://github.com/DefinitelyTyped/DefinitelyTyped/issues/12826
npm WARN prefer global node-gyp@3.6.2 should be installed with -g