Added brew and cask scripts.

brew

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+brew_path=$(which brew)
+if [ -x "$brew_path" ] ; then
+  echo "Install/Updating Homebrew Packages"
+  echo ""
+else
+  echo "Installing homebrew"
+  echo ""
+  ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
+  if [ $? -ne 0 ]; then
+    echo "Error installing homebrew. Bailing..."
+    echo ""
+    exit 1;
+  else
+    brew doctor
+    if [ $? -ne 0 ]; then
+      echo "Brew Doctor is not happy. Bailing..."
+      echo ""
+      exit 1;
+    fi
+  fi
+fi
+
+brew update
+
+brew upgrade
+
+brew install ack
+brew install apple-gcc42
+brew install chruby
+brew install elixir
+brew install git
+brew install git-flow
+brew install go
+brew install heroku-toolbelt
+brew install leiningen
+brew install macvim --override-system-vim
+brew install maven
+brew install mongodb
+brew install postgresql
+brew install reattach-to-user-namespace
+brew install ruby-install
+brew install tmux
+brew install weechat --with-python --with-ruby --with-aspell
+
+brew cleanup

cask

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+brew_path=$(which brew)
+if [ -x "$brew_path" ] ; then
+  echo "Install/Updating Homebrew Packages"
+  echo ""
+
+  brew tap phinze/homebrew-cask
+  brew install brew-cask
+
+  function installcask() {
+    brew cask install "${@}"
+  }
+
+  installcask airfoil
+  installcask alfred
+  installcask crashplan
+  installcask dropbox
+  installcask evernote
+  installcask gitx-rowanj
+  installcask google-chrome
+  installcask handbrake
+  installcask iterm2
+  installcask istat-menus
+  installcask rdio
+  installcask skype
+  installcask sublime-text
+  installcask vagrant
+  installcask virtualbox
+else
+  echo "Install Homebrew first. Run ~/dotfiles/brew first."
+  echo ""
+fi