Upgrade to latest LTS for node and npm#1922

Merged

halkeye merged 5 commits intojenkinsci:masterfrom halkeye:improvement/JENKINS-56316

Mar 5, 2019

+28,462-23,678

Commits on Feb 27, 2019

An attempt to upgrade to node 10 LTS for JENKINS-56316
Gavin Mogan
committed

Commits on Feb 28, 2019

builds with node 10
Gavin Mogan
committed
Oops, had Maven as node version
Gavin Mogan
committed
the fs extra thing is no longer needed
Gavin Mogan
committed

Commits on Mar 5, 2019

use exact versions for dependencies
NicuPascu
committed