Release version 3.1.2

Merge pull request #25 from Roblox/only-tag-from-master

Don't trigger tagging job on tags

Merge pull request #21 from Roblox/PE-8287

PE-8287: Use gox to build multi-platform releases

Merge pull request #20 from Roblox/automatic_git_tags

Automatic git tags

Fix log message spacing issues

Merge pull request #8 from lurkingsystemsdude/abeeman-kvm-hwe-rebase

HWE kernels, KVM, install_rackd support

Merge pull request #5 from Roblox/PE-8206

Store metadata along with resources

Merge pull request #3 from Roblox/PE-8288

Document unit testing requirements

Merge pull request #5 from Roblox/master

Corrected bug where the hostname is always reset