Merge branch 'contrib/TekuConcept'

* contrib/TekuConcept:
  Dev Checkpoint 201908200213
  Dev Checkpoint 201906261312
  Dev Checkpoint 201906252227
  Dev Checkpoint 201906252221
  Dev Checkpoint 201906252210
  Dev Checkpoint 201906252113
  Add JS Native Directive Testcase
  JS Example Campatibility Update
  Add Native Directive Example
  Update JavaScript Documentation
  Add JS Native Wrapper API