a test to catch html entity issues when generating pdf reports
escape values pushed into reports
WIP attempt to render unicode characters in PDF reports
Make pdf render with the GNU Unifont font
Use the free font DejaVu Sans for PDF rendering
Force an XML/XHTML header for the PDF formatted report
Remove the GNU unifont ttf; Remove the XML processing instruction from the erb for PDF formatting;
Merge pull request #355 from hudmol/pdf-report-tests

Fixes for special and unicode chars in the Pdf reports + tests