Fixes geerlingguy#116: Switch from roles and dock tasks to geerlinggu…

…y.mac collection.

Fix formatting from previous commit.

PR geerlingguy#106 follow-up: More consistent docs and examples.

Fixes geerlingguy#85: Make it easier to use this playbook to manage r…

…emote Macs.

Fixes geerlingguy#33: Don't overwrite sudoers file by default, and us…

…e sudoers.d.

A few small tweaks to the README.

Fixes geerlingguy#42: Add configure_dotfiles variable so you can disa…

…ble dotfiles management.

Fixes geerlingguy#15, geerlingguy#42: Don't take over everyone's git …

…commit karma by default.

Merge pull request geerlingguy#41 from geerlingguy/40-deprecated-casks

Fixes geerlingguy#40: Remove deprecated homebrew casks.

Merge pull request geerlingguy#38 from generoi/issue-34

Issue geerlingguy#34: Change osx setup script to be configurable