Habitat - 0.66.0

(https://github.com/habitat-sh/habitat/tree/0.66.0) (2018-10-22)
Full Changelog

New Features & Enhancements

• Optimize the supervisor's HTTP gateway #5725 (raskchanky)
• Launcher creates its own PID file at /hab/launcher/PID #5738 (baumanj)
• Adds configurable bldr_url to cli.toml including hab setup subcommand #5723 (eeyun)

Behavioral Changes

• Remove multiple supervisors on single host support (--override-name option) #5750 (baumanj)
• Adds upload of public keys for deps as well as target package #5730 (eeyun)
• Corrects api_client response on hab bldr job start #5728 (eeyun)
• Don't spam the Supervisor logs quite so much #5716 (christophermaier)
• Make logging around user.toml changes more specific #5713 (christophermaier)

Bug Fixes

• Cleanup Supervisor startup and termination in a local Windows studio #5756 (mwrock)
• Purge "rumor heat" information for departed members #5744 (christophermaier)
• Update Cargo.lock to include https://github.com/habitat-sh/core/pull/75 #5741 (baumanj)
• Replace launcher's Process struct's unsafe implementations with rust stdlib #5733 (baumanj)
• Don't change svc directory permissions except when the directory is created #5720 (jaym)
• Remove unnecessary crate version pins, fix typo and add comments for hyper pins #5729 (baumanj)
• Tokio deprecation fixes #5727 (baumanj)

Merged Pull Requests

• do not check for running supervisor in windows container studio #5771 (mwrock)
• prepare for release 0.66.0 #5762 (mpeck)
• Add plan-variant for bintray-publish #5751 (smacfarlane)
• correct windows requirement docs #5757 (mwrock)
• [ci] Update to Rust 1.29.2. #5742 (fnichol)
• Add example for how to install older version of hab to documentation #5747 (rsertelon)
• Refactor Plans for hab components #5698 (smacfarlane)
• Help understand the download_file args #5749 (rsertelon)
• Sort blog tags alphabetically #5748 (rsertelon)
• rework permissions into separate APIs for linux and windows #5724 (mwrock)
• [ci] Update Buildkite to Rust 1.29.1 #5735 (fnichol)
• Skip Appveyor if only the docs are updated #5722 (btm)
• fixed typo #5721 (davidkazuhiro)
• update crates #5719 (mwrock)
• Remove "maintenance window" step from release pipeline #5718 (christophermaier)
• update winapi crate and pull in latest core #5711 (mwrock)
• Store services in a HashMap instead of a Vec #5712 (christophermaier)
• bumping dev version #5715 (mwrock)