[RELEASE] iText 5 - 5.5.13.3

Merge branch 'release/5.5.13.3' into master

[RELEASE] iText 5 - 5.5.13.2

Merge branch 'release/5.5.13.2' into master

iText 5.5.13

[RELEASE] tagging release 5.5.12

[RELEASE] tagging release 5.5.11

iText 5.5.10

Changelog: http://itextpdf.com/changelog/5510
Release Notes: http://itextpdf.com/release/iText5510
Download: https://github.com/itext/itextpdf/releases/tag/5.5.10