add a recipe for installing homebrew cask
add homebrew cask resource for recipes to use cask to do application installs
Adding Hiss
Adding HandBrake
moves dropbox install details to attributes
Adding LastPass
Adding p7zip
Adds butler installer and configures Butler as a Copy buffer

Adds dmg as a dependency in sprout-osx-settings/metadata.rb because
sprout-osx-settings::butler includes sprout-osx-apps::butler which
requires the dmg cookbook.
Add TableTennisTime installation recipe
Install MacVim without depending on XCode

The brew install in pivotal_workstation::vim depends on a full XCode
install. This recipe works with just the standalone XCode CLI tools.
Add spotify recipe to show how to consume sprout_osx_apps_homebrew_cask provider
include_recipe 'sprout_osx_apps:: homebrew_cask' in homebrew_cask provider so don't have to do in any other recipe
Moves keycaster under sprout-osx-apps
Adds shim from old pivotal_workstation location

Also updates the location of the included addloginitem recipe
Adds KeyCastr Preferences

New KeyCastr preferences are:
- Only shows for command keys
- larger font
- Turns off showing preferences on launch
- Hides KeyCastr app from doc (only shows in menu bar)
- Attempts to place in top right corner, though with inconsistent
  results
- Marks it as having been previously launched
Unrolled and simplified KeyCastr preferences

Signed-off-by: Brian Cunnie <cunnie@pivotallabs.com>
Added emacs
LibreOffice 4.1.1

removed superfluous "action :install"
Upgrade to Vagrant 1.3.1
Add Nitrous.IO client