WebKitGTK 2.25.92 released!

This is a development release leading toward 2.26 series.

Add WEBKIT_USE_SINGLE_WEB_PROCESS environment variable to force single process model in all WebKitWebContext. This is a temporary solution for applications still depending on the single process mode behavior. It will be only available in 2.26 series.
Add new API to remove a filter from an user content manager given its identifier.
Add support for HSTS.
Several improvements and bug fixes in MSE media player.
Fix building without unified sources.
Fix several crashes and rendering issues.
Translation updates: Polish, Ukrainian.

Thanks to all the contributors who made possible this release.