.osx: Kill `cfprefsd` after changing preferences

As of OS X 10.9 this is necessary to make sure the changes persist.

Closes #330.

Conflicts:
	.osx
.osx: Set Desktop as the default location for new Finder windows

Closes #285.
Set default new finder windows to home directory.
.osx: Add Finder ‘Get Info’ settings
Remove some outdated settings.
Remove old iTunes settings.
Remove the .brew file.