Add MenuMeters

Installs an installer app that has to be run to activate the MenuMeters pref pane.
Download link does not specify version, so set to latest and skip checksum
Add PleaseSleep
Add AppZapper, a uninstaller
Merge pull request #245 from vincecima/add-menu-meters

Add MenuMeters
Merge pull request #246 from vincecima/add-please-sleep

Add PleaseSleep
Merge pull request #247 from vincecima/add-app-zapper

Add AppZapper, a uninstaller
Updated Adium to 1.5.6

Updated the Adium cask from using 1.5.4 to 1.5.6
Merge pull request #248 from NeQuissimus/adium1_5_6

Updated Adium to 1.5.6
Added Burn.app

Burn.app 2.5.1 - Simple but advanced burning for OSX
Merge pull request #249 from NeQuissimus/burn

Added Burn.app
Added PathFinder cask