Edit set-defaults.sh

 - Remove some color choices.

 - Add personal defaults for system preferences and built-in apps.

 - Remove ending killall. Prefer system restart.
Edit gem configuration file

 - Suppress the ri and rdoc documentation in .gemrc.
Edit Homebrew install

 - Separate Homebrew packages to install to a separate Homebrew bundle.

 - Modify install.sh to brew bundle.
Add Cask to install native apps

 - Add caskfile to install Cask, install native apps, and cleanup dead symlnks and cached downloads.

 - Edit install.sh to call cask bundle.
Add sound defaults
Remove the disabling of the boot sound effect