Version 6.0 of Red Hat Style Guide

What's Changed

• Fixes #409 and other required repairs. by @daobrien in #417
• daobrien/416 chris wright update by @daobrien in #418
• Applied various fixes for 6.0 by @julian-cable in #407
• Applied third batch of enhancements for 6.0 by @julian-cable in #420
• Applied second batch of enhancements for 6.0 by @julian-cable in #419
• Applied first batch of enhancements for 6.0 by @julian-cable in #414
• Added audience, new in this release, fix for 'like' entry by @julian-cable in #422
• Addresses #424 Add info on using captions. by @daobrien in #425
• Added captions and callouts item to what's new by @julian-cable in #428
• Fixes #356. Removes big RH logo from centre of page. by @daobrien in #434
• Added updated wording about verbs in titles by @julian-cable in #444
• Added example for 'unset' by @julian-cable in #442
• update preface.xml to add in audience file and resolve issue #408 by @nmuller66 in #445
• Final update to release notes for 6.0 by @julian-cable in #446
• Apply fixes from Nicole and update release month by @julian-cable in #449
• Merge all updates from dev to master for 6.0 release by @julian-cable in #447

Full Changelog: v5.1...v6.0