Update README to use NodeJS version 0.12.0 or below

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: master, master-deprecated, 3.0.x, 3.1.x
• Fix Version/s: master, master-deprecated, 3.0.x, 3.1.x, 3.1.0-deprecated.12, 3.0.3-deprecated.51, 3.1.0-deprecated.15, 3.0.3-deprecated.54
• Component/s: Other
• Labels: None

Update the README documentation to state that we need to use NodeJS <= 0.12.0.