initial commit of charts module
start with the barChart
added descriptionStyle for labels
implement DataFlowComponent with getMorphAbove() functionality
add module dependencies, add standard action for button
fix input/output terminology and add proper positioning
updateComponent to deal with non existing morphs above: set dataIn to null in this case
Update .travis.yml
change data binding from data.input/output to 'data'
extract method to allow ScriptFlowComponent to update data before evaluating selected code
add LineraLayout to Charts.js
fix rect global bug
improved getMorphAbove of dataFlowComponents
add clear-Method to Charts