Release iText 5.5.8

A new site, a new release! We've been working very hard on a new web site that would contain more code samples and answers to questions. We've also made it easier to find the information you need by creating different, easy-to-understand categories, but also through better search functionality and the use of tags. 

We are now releasing iText 5.5.8 and we've reorganized the source code. The projects itextpdf, pdfa, xtra, and xmlworker, are now all in one place: itext/itextpdf. You'll have to make small changes to your development environment if you import the iText source code.