Clean getMultipleDimensions, remove getNumberOfMultipleDimensions

- adapt related files
Adapt init (add parameter), clean buildChartTitle

- delete some comments and console.log's
Adapt chart.init
Clean getColor, add isCircularObject

- it is now able to handle circurlar objects, in that case return #FFFFFF
- objects will stringify'ed and md5'ed
Remove getDimensionOrMeasureLabel (not used anymore), update function header in Controller.ts

- update function comments (parameter information ...)
- some code nice ups
Clean and rework HighCharts.ts

- add isResponsibleFor and getSupportedClassNames
Recap Visualization loading (HighCharts, CubeViz) a little bit
Replace some for's with _.each
Adapt a couple of function: replace for's with _.each
Port more for loop to _.each, some code nice ups
Add comments, and rework last for loops

- and some code reorganizing