This commit changes the force closing of the stdout/stderr file
descriptor from closing immediately to being closed after a grace
period. This allows the created process to close its own file and allows
copying of the data.

Support Docker Pids Limit

Deployment adds JobSpecModifyIndex

Set node eligibility to true when old client calls disable

UI: Node drain and eligibility

 test fixes

Remove an unnecessary check in nomad member reconciliation

Clean up leaked deployments on restoration

Update 404 page to match other HashiCorp sites

fix bug with node eligibility staying disabled even after drain is disabled

UI: Use polling instead of streaming for following logs in Safari

Deployment tracks the Job.JobModifyIndex so that PUTS against /v1/jobs
can be more easily coorelated with the created deployment.

Fixes https://github.com/hashicorp/nomad/issues/4301

The cloest Moment.js has is "homanize" which isn't precise enough.

This makes it easier to scan for interesting nodes

This makes it match the CLI node status output