adding labeledtext chart and mixing it with scatterplot
using MULTIPLE_INSTANCES_MIXIN to apply a mixing for each multiple data set
Serveral typos and fixes to make the project work again in AMD mode.
Updated release
Updated package.json
Merge branch 'mauroBus-labeled-scatterplot'

* mauroBus-labeled-scatterplot:
  Updated package.json
  Updated release
  Serveral typos and fixes to make the project work again in AMD mode.
  using MULTIPLE_INSTANCES_MIXIN to apply a mixing for each multiple data set
  adding labeledtext chart and mixing it with scatterplot