Add doc on detemining whether the machine is a laptop or desktop

Merge pull request twpayne#1394 from twpayne/fix-1392

Append path arguments to diff and merge command if not provided by user

Merge pull request twpayne#1387 from twpayne/remove

Add remove_ attribute

Merge pull request twpayne#1373 from twpayne/tidy-docs

Miscellaneous fixes

Merge pull request twpayne#1363 from twpayne/fix-keep-umask

Fix creation of .keep files when umask is 002

Merge pull request twpayne#1340 from twpayne/fix-1329

Normalize symlinks on Windows

Update dependencies

Update dependencies

Merge pull request twpayne#1304 from pmolodo/pr/powershell_strictmode

Allow install of chezmoi from a powershell where StrictMode is on

Merge pull request twpayne#1294 from twpayne/fix-1293

Fix panic when destination directory is /