Merge pull request #360 from kontan/three

Updated three.d.ts docs comments
Images can be constructed from an HTML Element

http://fabricjs.com/fabric-intro-part-1/#images
http://fabricjs.com/docs/symbols/fabric.Image.html#initialize
Add CommanderJs definitions
Merge pull request #361 from kontan/three

Added three-tests.ts
Merge pull request #362 from richardTowers/patch-1

fabricjs: Images can be constructed from an HTML Element
Merge pull request #363 from mdezem/commanderjs

Add CommanderJs definitions
Added more tests to three-tests.ts