refactored Dock customization into its own role
cask apps and customized the Admin dock
Generic welcome sample template
set the umask to 002 (group rwx)
removed redundant Finder settings (handled by the role now)
Admin uses /tmp intead of ~/Downloads
added buildVersion and productVersion vars
permissions fixes for multiple-user cask installs. Closes #7
LaunchAgent and LaunchDaemon cleanup