allow multi layers of override with access to the overridden methods
start to refactor towards a layered seperation of groups and data
refactor cap mixin towards a layered seperation of groups and data
rework layering of mixins to get the correct scopes
first cut at stacked row chart
remove tabs
rework group and data to be more group-like in order to allow higher layers to deal with stacked data in a uniform way
rework layering to do more up front work and simplify bat chart color selection
display selected bars correctly by not accientally converting x values to strings
first cut at making stacked row charts
lots of fixes to make stacks and caps work together
build and obtain Others data
use keyAccessor correctly
remove incorrect and in most cases useless transform
store all underlying data for later access
pass all stacks to title function
restore row ordering
changed cap and stack mixins into transformers
in order to create stacked row charts