Update npm package versions for NodeJS 8

[adl1995]

I was previously getting build errors #142, but updating the package versions with:

npm i -g npm-check-updates
ncu -u --packageFile www/package.json

and then installing them using:

npm install --script-ignore

seemed to have removed those.

[nadouani]

This needs to be double checked since there are a lot of major version changes. We need to make sure those changes don't break anything

[nadouani]

The build errors from #142 are not solved by the dependencies upgrade, but by the --script-ignore option

[nadouani]

I'm going to close this one because all the package.json file has been reviewed with 3.0.0 release.