Switched to a more recent SVG lib.

New SVG lib taken here: https://github.com/vvvv/SVG/tree/master/Samples
Switched to sharpPDF

Using sharpPDF 1.3.1 which is under LGPL instead of iTextSharp for PDF
rendering

http://sourceforge.net/projects/sharppdf/files/sharppdf/sharppdf%201.3.1/
Removed itextsharp.dll as it is not used anymore
Update readme.md
Update readme.md
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