Using JSDuck

JSDuck is much better than JSDoc and supports JSDoc tags
Configure jsduck correctly
Find jsduck only when document is turend ON
Avoid data copy
Merge remote-tracking branch 'origin/use_jsduck'

* origin/use_jsduck:
  Avoid data copy
  Find jsduck only when document is turend ON
  Configure jsduck correctly
  Using JSDuck