anchor.diff:  #### Mac
   . CPU
   .. PowerPC G4
  +.. x64 (i5 and comparable)
  +
   . Memory
   .. 4 to 8 GB for attendees
   .. 8 to 16 GB for instructors
  
positive.code: 
  #### Mac
  . Operating System
  .. Mac OS X (10.6.8)
  . Java
  .. Oracle JDK 8u45 link:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html[Java SE 8 Development Kit]
  .. OpenJDK
  . Webbrowser
  .. Chrome link:https://www.google.com/chrome/browser/desktop/[for Mac OS X 10.6 or later]
  .. Firefox 31
  
  #### Linux / Windows
  . Operating System
  .. Windows 7/ (SP1)
  .. Fedora 21
  . Java
  .. Oracle JDK 8u45 link:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html[Java SE 8 Development Kit]
  .. comparable OpenJDK
  . Webbrowser
  .. Chrome 43 link:https://www.google.com/chrome/browser/desktop/[Windows 8/7 64-bit]
  .. Firefox 31
  
  
  ## Setup Environments
  
negative.code: 
  . CPU
  .. x86 (Intel Pentium)
  .. x64 (i5 and comparable)
  
  . Memory
  .. 4 to 8 GB for attendees
  