[librsvg] Created tag 2.44.8

[Federico Mena Quintero <federico src gnome org>]

The signed tag '2.44.8' was created.

Tagger: Federico Mena Quintero <federico gnome org>
Date: 1540423385 -0500

    Tag for version 2.44.8

Changes since the last tag '2.44.7':

Antonio Ospite (1):
      (#365): rsvg-convert: Specify pixel dimensiosn for SVG output

Federico Mena Quintero (19):
      Post-release version bump
      (#358) - Use assert_approx_eq_cairo in tests
      Remove unused #[repr(C)]
      Update minimum cairo version in COMPILING.md
      (#359): Require rust 1.27
      rustfmt
      NodeChars: Do xml:space normalization only once
      Factor out some duplicated code
      XmlSpaceNormalize: new enum to specify how to trim spaces in xml_space_normalize()
      (#363): Fix whitespace removal around <tspan> elements
      (#368): Log when an element is not rendered due to a nonexistent filter
      NodeTRef: log if the referenced element is nonexistent
      marker.rs: Log when a referenced marker is not found
      DrawingCtx: log when an element references a nonexistent mask
      gradient.rs: Log when referencing a nonexistent gradient
      paint_server.rs: Log when there is a nonexistent pattern with no alternate
      NodeUse: Log when referencing a nonexistent element
      pattern.rs: Log when we find a circular reference
      Update NEWS

Jordan Petridis (3):
      CI: Move cache setup inside the script
      CI: Enable debian tests again
      CI: Minor yaml formatting change

Simon McVittie (3):
      tests: Tolerate greater rendering differences on all non-x86_64
      tests: Log and save a diff if max_diff exceeds x86_64 tolerance
      (#366): tests: Increase reftest tolerance on non-x86_64 even more