remove `build/*` and `api/*` build products archived in the source tree
Git-ignore `/build`, `/deploy`
Merge commit '56dc050a049c3b3266164154b23ece6baa7a9cc0' into clean-build-artifacts

# By Yves Del-Medico
# Via Yves Del-Medico (1) and yves-del-medico (1)
* commit '56dc050a049c3b3266164154b23ece6baa7a9cc0':
  ENYO-2934: Updated project.json for demos
  ENYO-2934: Updated project.json for demos
  ENYO-2934: Updated project.json for demos
  ENYO-2934: Updated project.json for demos
  ENYO-2799: Updated to latest onyx to get .design file with changes for onyx.DatePicker
  ENYO-2799: Fixed onyx.DatePicker fails to be re-rendered by the Designer after modifyProperty
Merge pull request #5 from hp-ws/clean-build-artifacts

Remove intermediate build products from the source tree.