How To: Upgrade Node.js version

Node.js is used by st2chatops, and if the version needs updating then the following changes are required

• st2client.js - update the matrix of versions of node that are tested
• hubot-stackstorm - update the matrix of versions of node that are tested
• st2chatops - update so builds with latest node version
• st2-packages - update the bash installer to install newer version of node
• st2-dockerfiles - update st2chatops Dockerfile
• st2docs - update manual install instructions
• ansible-st2 - update installation playbooks
• puppet-st2 - update installation
• st2ci - st2_pkg_upgrade_deps - update to add ST2 version specific to update node in upgrade workflows