Add Carbon Copy Cloner cask
Add Airfoil cask
Add Instacast beta cask
Add SuperDuper! cask
Merge pull request #273 from molawson/instacast

Add Instacast beta cask
Merge pull request #274 from molawson/airfoil

Add Airfoil cask
Merge pull request #275 from molawson/carbon-copy-cloner

Add Carbon Copy Cloner cask
Merge pull request #276 from mfilej/super-duper

Add SuperDuper! cask
Add Synergy cask
Merge pull request #270 from martinp/synergy

Add Synergy cask
Add Sonos cask
Added Acorn cask
Merge pull request #278 from martinp/sonos

Add Sonos cask
Add opera cask.
Added Calibre cask, version 0.9.29
Add link to Opera cask.
Merge pull request #282 from NanoXD/master

Add Opera cask
Add Arduino cask.
Update Arduino cask to explicitly link app bundle (and also move it to Casks folder. oops!).
Added processing 2.0b8