[libgxps] Created tag 0.3.1

[Carlos Garcia Campos <carlosgc src gnome org>]

The signed tag '0.3.1' was created.

Tagger: Carlos Garcia Campos <carlosgc gnome org>
Date: 1546677794 +0100

    libgxps 0.3.1 release

Changes since the last tag '0.3.0':

Carlos Garcia Campos (6):
      gxps-images: fix integer overflow in png decoder
      gxps-images: clear the error before trying to load an image again
      gxps-archive: Ensure gxps_archive_read_entry() fills the GError in case of failure
      gxps-archive: Handle errors returned by archive_read_data
      Merge branch 'font_scaling_issue' into 'master'
      release: 0.3.1

Danny 'Guru' Forghieri (1):
      meson: libm should not be required

Ignacio Casal Quinteiro (2):
      xpstopdf: make the generated pdf to be 96 dpi
      meson: improve getting the supported flags

Ignazio Pillai (1):
      Fixes font scaling issue when converting xps to pdf

Jason Crain (1):
      docs: Fix OUTPUT FILE description