* Initial attempt at webpack 4 upgrade, still not working.
* Remove unused modules, update some more packages.
* Wrangle types due to webpack weirdness.
* Undefined function
* Package updates.
* Replace extract text plugin. Re-add unusable code, but comment it out.
* Fix uglification
* Remove custom uglify, disable concatenateModules
* Upgrade and reenable favicons. Get rid of CSS warning.
* Fix up tscheck
* Add webpack modes to freezer, electron.
* Uodate webpack dev middleware
William O'Beirne
Daniel Ternyak