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  Third party software used:
  
      Jason S. Kerchner base class (http://livingmachines.net)
      Licensed under BSD license: http://livingmachines.net/license/
      
      David Knape & Patrick Mineault Bezier curves drawing logic.
      
      Code optimization made using Closure Compiling service:
      http://closure-compiler.appspot.com/home
  
  Libraries used for exporting charts as image/pdf/svg:
  
      canvg.js - Javascript SVG parser and renderer on Canvas
      MIT Licensed 
      Gabe Lerner (gabelerner@gmail.com)
      http://code.google.com/p/canvg/
      
      rgbcolor.js    
      A class to parse color values
      author Stoyan Stefanov, sstoo@gmail.com
      http://www.phpied.com/rgb-color-parser-in-javascript/
      license Use it if you like it
      
      FileSaver.js
      A saveAs() FileSaver implementation.
      By Eli Grey, http://eligrey.com
      License: X11/MIT
   
      jsPDF.js
      By James Hall
      License: MIT 
  
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