WebKitGTK 2.54.0 released!

This is the first stable release in the 2.54 series.

Switch web process compositor to use Skia instead of TextureMapper.
Improved damage handling that is now also used during the composition to limit the composited areas.
Implement GPU atlas creation and replay substitution for batched raster image uploads.
Media capability reporting is more accurate.
Video decoding limits are now respected in media capabilities queries.
Add new improved API for page favicons.
Add magnification property to WebKitWebView to handle visual scaling.
Add new API to allow setting a per-navigation custom User-Agent to WebKitWebsitePolicies.
Remove the option to use cairo for 2D rendering.

For more details about all the changes included in WebKitGTK 2.54 see the NEWS file that is included in the tarball.

Thanks to all the contributors who made possible this release.