Since EXTChartViewModelTerm points to its containing grid cell, no need to keep EXTChartViewModelTerm.gridLocation. When needed, use EXTChartViewModelTerm.termCell.gridLocation.
Adapts EXTTestCaseS5Demo to the removal of EXTChartViewModelTerm.gridLocation.
How about removing a property by deleting its declaration instead of commenting it out?
Adds EXTChartViewModelTestCase, an initial test case for EXTChartViewModel.
Merge branch 'chartviewmodeltestcase'