Update cask to latest version.

See https://twitter.com/pornelski/status/336639773382950913
link Postgres.app
update SourceTree to 1.6.0.1
add tikz-editor.rb
Update eclipse to 4.2.2 and add link line
Add unison.rb
Add Cloak cask
1Password 3.8.21
Update chromium to 27.0.1453.93
Update transmit cask to version 4.4

Update transmit cask from version 4.2 to 4.4
Add link param to Transmit 4.4 cask

Add link param to Transmit 4.4 cask
Upgrade from `0.30` to `0.34`. Add `link` line.
Add Sketch Up (version 8) Cask
Removed blank line before 'link'
removed sketchup, pending further changes
Add Sweet Home 3D (Version 4.0) Cask
renamed sweet-home-3d to not make it confusing when installing/auditing
Added a cask for Satellite Eyes.
add cask for growlnotify
add cask for KisMAC