Import config 1.86

Merge pull request #634 from boostorg/develop

Bug fix for 1.86

Merge pull request #628 from boostorg/develop

Merge for 1.86

Bundle config 1.85

Merge branch 'develop'

Merge pull request #607 from boostorg/develop

Add config 1.84

Update version history.

Merge pull request #570 from boostorg/develop

Merge for 1.84

Add config 1.83.0