WIP: refactor so multiple graphs can be defined for a given slug
WIP: fixed scale view but broke 'All Parent' graph
WIP: working state. All views working properly
WIP: Refactor graph_map into two collections; measure_level_graphs and scale_level_graphs
WIP: refacter GroupedBarColumnPresenter to accept a 'construct' instead of specifying measure or scale
WIP: fix scale graphs being shown on incorrect view
WIP: Merge parents_by_language class with parents_by_language_by_scale so it can handle display of both measure-level and scale-level graphs
checkbox change. Draw bar graphs for each academic year selected.
Center bar graphs in their column. Color the columns to match the
sample colors on the checkboxes. Add scores on beta to top of graph.
Automatically display the most recent year of data for the district.
Modify logic for the insufficient data message or the 'measure not based
on student/teacher surveys' message so it only shows if there are no
bars with data to display.
