Autoconversion of GUI .coffee codes into AMD modules
Moved chart title rendering to ChartView from Chart
Removed @varsYbyUnit from Chart
Wrote down TODOs for ChartData refactoring
Separated ChartData from Chart
Moved intervalContains to utils.coffee
Fixed Y logscale/origin option buttons

and got rid of the general name Y1, and simplified to just Y
Extracted Chart option updating code as a method
Moved number conversion code to utils
Renamed members of ChartData

using "_" as prefix for private members to clarify what's hidden and
what's exposed.

* @data.ids
* @data.idsBySeries
* @data.varX
* @data.varsX
* @data.varsPivot
* @data.accessorFor(var)
* @data.provenanceAccessorFor(var)
* @data.relatedVarsFor(var)