knife-spork-1.4.2

Features:

- Improve error messages when uploading invalid JSON (Thanks to @jeunito https://github.com/jonlives/knife-spork/pull/151)
- Allow an optional comma delimited set of environments to be passed to spork promote (Thanks to @jeunito https://github.com/jonlives/knife-spork/pull/148)
- Add support for rubocop >= 0.23.0 in RuboCop plugin (Thanks to @dwradcliffe https://github.com/jonlives/knife-spork/pull/147)
- Relax foodcritic version requirement from ~> 3.0.0 to >= 3.0.0 (Thanks to @dwradcliffe https://github.com/jonlives/knife-spork/pull/146)
- Slack plugin now supports adding images in messages (Thanks to @ctrlok https://github.com/jonlives/knife-spork/pull/144)
- Git plugin can now optionally commit and push on changes (Thanks to @jeunito https://github.com/jonlives/knife-spork/pull/124)

Bugfixes:

- Fix custom plugin loading on Window (Thanks to @carpnick https://github.com/jonlives/knife-spork/pull/150)
- Fix config loading in CookbookUploader under Chef 12 (Thanks to @jordane https://github.com/jonlives/knife-spork/pull/149)
- Do not attempt to load Berksfile if not present (Thanks to @redondos https://github.com/jonlives/knife-spork/pull/142)