Replace git compactionHeuristic with indentHeuristic
Replace git compactionHeuristic with indentHeuristic

The remarkably-smarter indentHeuristic option was introduced in Git
2.11.0 as a replacement for compactionHeuristic. See:
https://github.com/git/git/commit/433860f3d0beb0c6f205290bd16cda413148f098

caleb531/dotfiles,caleb531/dotfiles,caleb531/dotfiles,caleb531/dotfiles