consolidated data/set/series creation in tests
combined domain bar chart factory

finally moved this factory from RichChartingCollections to ChartFactories
put selfless traits in subpackage module and renamed Charting to api
provide chart factories in module, simplify imports further
public dataset conversion type classes
physically move modules to subdir
Merge branch 'develop' into wip-events

modularization affect event implementation
update cross compilation to 2.10.4-RC3
removes unused import
updates chart mouse event to use Swing event as trigger not AWT
make peers lazy to avoid NPE hell
basic events on charts