.osx: Set standby delay to 24 hours

Hat tip: http://www.ewal.net/2012/09/09/slow-wake-for-macbook-pro-retina/
.bash_profile: Autocomplete Grunt commands

Ref. https://github.com/gruntjs/grunt-cli#shell-tab-auto-completion
.functions: Print trailing newlines when not piping the output
Merge commit '7e824c8dd7010e558f319f73a7ffaf76f95a410f'

  .functions: Print trailing newlines when not piping the output
  .bash_profile: Autocomplete Grunt commands
  .osx: Set standby delay to 4 hours