New version of FastReport Mono - 2020.1

In version 2020.1 charts and diagram components are now included with the product and available in Linux

Added ability of digital signature in exported PDF documents

All changes:

+ added System.Windows.Forms.DataVisualization (charts)
+ added abitilty to sign PDF documents with Digital Signature

[Engine]

+ added new currencies and rules for conversion numbers to strings
+ added ability to split long strings within table
- fixed bug with splitting tables across pages
- many small bufixes

[Exports]

+ added support of PDF/A-1a standaard
- fixed bug of printing a layerered Html-export, in case of presence of landscape orientation of page
- fix big with multi-threading PDF export
- fixed a character space size in PDF export
- fixed drawing of objects with negative width or height in layered Html export