cleaner strings for the pie chart: removed repeated data from the titles
new config for pie chart
working on adding a new chart: line from highcharts
added linechart
option to clean data on widgets
Borrado antes de rbermejo
Commited first pre-release version
Framework d3.js added for creating new graphics.
New feature that allow others to create their own widgets

and add them in a single file
Added widgets in separated files.
New widgets
Antes del gran merge