Bug #311280

Bug #311280

* pdf/ev-poppler.cc (font_type_to_string): new, returns user readable
name for PopplerFontTypes
(pdf_document_fonts_fill_model): add font type to the detail column

* backend/ev-document-fonts.h: added
EV_DOCUMENT_FONTS_COLUMN_DETAILS.

* shell/ev-properties-fonts.c (font_cell_data_func): glue together
font name and font details, add a little markup.
(ev_properties_fonts_init): use the new cell data func, specify ypad
property for the cell renderer.
(ev_properties_fonts_set_document): add the details column.