Port my fix from gramps34 branch.
Ditches old PSDrawDoc code, instead we have a common backend
for PDF and PS generation using Cairo.
Added bonus: PS is now an available backend for text reports, too!
svn: r22810
Merged fix from trunk:
Fixed the file locations to work for the gramps40/trunk layout.
Also porting my fix from gramps34 branch for
6837: runtest.sh runs some reports that no longer exist
git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22684 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
svn: r22686
