add client status to allocation terminal status

Add dates to changelog

removing interfaces from config

This reverts commit 819e1e4b.

Force GC checks nodes last and fix eval GC to cleanup deregistered batch jobs

Fixes a panic when fs commands with a job parameter return zero allocations

Dropped `node_id` from docs, per #675

client/docker: add `interactive` option

Equivalent to `docker run --interactive` - keeps STDIN open.

Also adds docs for both `tty` and `interactive` docker config.

Specifically, see https://github.com/hashicorp/nomad/blob/master/CHANGELOG.md#030

> Node ID is no longer specifiable. For users who have set a custom Node ID, the node should be drained before Nomad is updated and the data_dir should be deleted before starting for the first time [GH-675]

Added missing files for go-getter

website: force JS/CSS mime-types on deploy

Should fix occassional issues with application/octet-stream mime type
assets breaking things on the site.

Fixing race issues in log rotator

Added the tty flag to the driverconfig

Adding raft peers in agent info

Clarify how priority is ordered

* It wasn't exactly obvious to me that larger values reflect
  higher priority.

Fix syntax errors in example JSON job spec

Seeking to offset while doing readAt with non-zero offset