- build with gpgmepp for signing documents (bsc#1215632)

- Update to 21.05.0:
* pdftoppm: Fix regression when using single scaleTo.
- SplashOutputDev: Add the invisible character check
- Fix issues with malformed documents.
- Expose more image modes, add option to select mode in
- pdffonts: Minor formatting changes in the man page.
- Fix PDFDoc::checkHeader() for PDFs smaller than 1 KiB.
- Fix issues with on malformed documents.
- Fix crash in invalid files that define a <= 0 bits per image
- TextOutputDev: Use page size for max value in
- disable hinting -- patch moved from xpdf splash copy to
poppler's splash, reason:
+ Qt frontend:
* Do not return unknown field type for signature form fields for
* Support for Opening/Closing page actions
as another part of the fix for bug #201739
- moved man pages to the poppler-tools subpackage [#201739]
- many bug fixes
- fix extra qualifications in installed headers
- Required by evince update for GNOME 2.12
- Remove uptreamed patchs
- Update to version 0.3.3