Adjust gradle to be more compatible.  Eliminate the dependency on nineoldandroids
refactor line chart to be more extendable
refactor line chart for more extensibility
Convert chart from View to ViewGroup
Refactor Chart from View to ViewGroup
Merge pull request #1 in JAVA/mpandroidchart from Airstrip to develop

* commit '473134d39a36809bc4c980dbdcf675ec203ff6e0':
  Convert chart from View to ViewGroup
  refactor line chart to be more extendable
  Adjust gradle to be more compatible.  Eliminate the dependency on nineoldandroids
AB-400: Integrated MPAndroidChart as a submodule @nopush
make CPoint accessible to subclasses
Make CPoint accessible to subclass
Make Chart tell children to do layout
Make Chart pass layout on to children
Make BarChart more extendable
Merge branch 'refs/heads/OpenSource' into develop

Conflicts:
	MPChartLib/src/com/github/mikephil/charting/charts/Chart.java
make members protected
Make member bar objects protected
set WillNotDraw to false - needed since now a ViewGroup
Fix willNotDraw in Chart.java
Add extensibility elements to BarCharts
Merge branch 'refs/heads/OpenSource' into develop
Merge branch 'refs/heads/OpenSource' into develop