Fix error with demo tags when loading generated documentation

This patch release fixes the following issue #287

Fixes an issue where documentjs throws while building the site static assets. See #282

Fixes an issue with running documentjs as a globally-installed module #279

• Supports Node 4+
• Uses CanJS 3 & StealJS 0.16 to fix UNMET PEER DEPENDENCY jquery@1.11.3

Diff: v0.4.4...v0.5.0