Update VMWare Fusion to follow brew-cask

VMWare Fusion was recently added to homebrew-cask.
Update BetterTouchTool to use brew-cask
Change recipes to follow homebrew-cask

Changed to follow brew-cask:
* Chicken
* Crashplan
* Cyberduck
* DiffMerge
* Flash
* Flux
* Handbrake
* Hostbuddy
* ImageAlpha
* ImageOptim
* KeyboardCleanTool
* LastPass
* Mou
* RubyMine
* Skype
* Synergy
* Things
* Tower
* Tunnelblick
* Viscosity
* Wireshark
* Xquartz

Updated:
* Crashplan 3.5.3
* Cyberduck 4.3.1
* DiffMerge 4.1.0
* ImageAlpha 1.3.5
* OmniGraffle Pro (We had a change in tracking OmniGraffle by version)
* Wireshark 1.10.2
Add PCKeyboardHack

PCKeyboardHack can change caps lock key behavior. For example, changing
caps lock key to delete Key.
Add KeyRemap4Macbook

A powerful and stable keyboard customizer for OS X.
Add iTerm2

iTerm2 is a replacement for Terminal and the successor to iTerm. It
works on Macs with OS 10.5 (Leopard) or newer. Its focus is on
performance, internationalization, and supporting innovative features
that make your life better.
Add CloudApp

CloudApp allows you to share images, links, music, videos and files.
Add AppDelete

Uninstall Anything - Uninstalling applications on a Mac.
Add Google Hangouts

Used in pair programming sessions
Add Instacast

Instacast is the go-to podcast app for iPhone, iPad and Mac.
Add Nitrous.io

Nitrous.IO is a cloud-based development environment platform with a
web-based IDE and cloud VMs, and supports Ruby, Python, Node.js and
more.
Add Rdio recipe
Merge pull request #77 from NanoXD/VMWareFusion

Update VMWare Fusion to use brew-cask
Merge pull request #78 from NanoXD/BetterTouchTool

Update BetterTouchTool to use brew-cask
Merge pull request #79 from NanoXD/change-to-cask

Change recipes to follow homebrew-cask
Merge pull request #80 from NanoXD/add-pckeyboardhack

Add PCKeyboardHack
Merge pull request #81 from NanoXD/add-keyremap4macbook

Add KeyRemap4Macbook
Merge pull request #82 from NanoXD/add-iterm2

Add iTerm2
Merge pull request #83 from NanoXD/add-cloudapp

Add CloudApp
Merge pull request #84 from NanoXD/add-appdelete

Add AppDelete