NPM deprecation warnings

[Hipska]

When running npm install for the first time, I get a lot of depreciation warnings:

npm WARN deprecated topojson@1.6.27: Use topojson-client, topojson-server or topojson-simplify directly.
npm WARN deprecated leaflet-omnivore@0.3.4: This module is now under the @mapbox namespace: install @mapbox/leaflet-omnivore instead
npm WARN deprecated topojson@1.6.26: Use topojson-client, topojson-server or topojson-simplify directly.
npm WARN deprecated togeojson@0.13.0: This module has moved: please install @mapbox/togeojson instead
npm WARN deprecated polyline@0.2.0: This module is now under the @mapbox namespace: install @mapbox/polyline instead
npm WARN deprecated corslite@0.0.7: This module is now under the @mapbox namespace: install @mapbox/corslite instead
npm WARN deprecated sexagesimal@0.5.0: This module is now under the @mapbox namespace: install @mapbox/sexagesimal instead
npm WARN deprecated babel-preset-es2015@6.24.1: � Thanks for using Babel: we recommend using babel-preset-env now: please read https://babeljs.io/env to update!
npm WARN deprecated gulp-util@3.0.8: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated babel@6.5.2: In 6.x, the babel package has been deprecated in favor of babel-cli. Check https://opencollective.com/babel to support the Babel maintainers
npm WARN deprecated gulp-marked@1.0.0: Deprecated in favor of gulp-markdown.
npm WARN deprecated core-js@2.6.10: core-js@<3.0 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.
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 circular-json@0.3.3: CircularJSON is in maintenance only, flatted is its successor.
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 coffee-script@1.3.3: CoffeeScript on NPM has moved to "coffeescript" (no hyphen)
npm WARN deprecated minimatch@0.3.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
npm WARN deprecated natives@1.1.6: This module relies on Node.js's internals and will break at some point. Do not use it, and update to graceful-fs@4.x.
npm WARN deprecated graceful-fs@2.0.3: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
npm WARN deprecated gulp-util@2.2.20: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated minimatch@1.0.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated connect@2.7.5: connect 2.x series is deprecated
npm WARN deprecated node-uuid@1.4.8: Use uuid module instead
npm WARN deprecated hawk@0.13.1: This module moved to @hapi/hawk. Please make sure to switch over as this distribution is no longer supported and may contain bugs and critical security issues.
npm WARN deprecated hoek@0.8.5: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
npm WARN deprecated cryptiles@0.2.2: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
npm WARN deprecated sntp@0.2.4: This module moved to @hapi/sntp. Please make sure to switch over as this distribution is no longer supported and may contain bugs and critical security issues.
npm WARN deprecated boom@0.4.2: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
npm WARN deprecated hoek@0.9.1: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).

Please fix dependencies.