Add timeout to npm install and increase logging level.
npm install is still taking sometimes too long and it's not clear why,
verbose logging is not sufficient.
Change-Id: Ib72f9823f30c9744562e279c2a5481f096e38128
The builds for npm still fail, however, `--timing` does not provide
sufficient data to debug the situation.
Change-Id: I7e618ba8cac775748ebea6145cd5c180d2dc7883