WebKitGTK 2.51.91 released!

This is a development release leading toward 2.52 series.

What’s new in the WebKitGTK 2.51.91 release?

• Disable GPU process by default.
• Improve async scrolling when main thread is busy by avoiding locks and rendering the scrollbars from the scrolling thread.
• Fix the build with old versions of libdrm.
• Fix the build on i386.
• Fix several crashes and rendering issues.

Thanks to all the contributors who made possible this release.