Bug Fix Release

Changelog:

New Features:

• Support for all Three.js Standard Material properties (@sdumetz)
• Image captions enabled in article editor (found on image details panel)
• Added API function to open an article based on ID (#192)
  • setActiveArticle()

Bug fixes:

• Lights now auto-position and scale based on scene units. (#88)
  • Light helpers also scale
• Shadow scale and quality auto-adjust to scene size/units. (#8)
• Article put/get mime type standardized (#202)
• Fixed odd drag/drop behavior (#200)
• 'doubleSided' material property override responsiveness fixed
• More responsive Story header (@pakrettt)

Misc:

• Added documentation/example for setActiveArticle()