WebKitGTK 2.29.2 released!

This is a development release leading toward 2.30 series.

Add Intelligent Tracking Prevention (ITP) support.
Add support for video formats in img elements.
Add API to handle video autoplay policy that now defaults to disallow autoplay videos with audio.
Add API to mute a web view.
Add API to allow applications to handle the HTTP authentication credential storage.
Add a WebKitSetting to set the media content types requiring hardware support.
Fix a crash during drag an drop due to a bug introduced in 2.29.1.
Do not start page load during animation in back/forward gesture.
Fix several crashes and rendering issues.
Translation updates: Ukrainian.

Thanks to all the contributors who made possible this release.