WebKitGTK+ 2.8.4 released!

This is a bug fix release in the stable 2.8 series.

Make WebSQL work by using a default quota instead of always failing in openDatabase with DOM Exception 18.
Improve detection and usage of GL/GLES/EGL libraries.
Fix a crash on memory allocation using bmalloc on 32bit systems.
Fix DOCUMENT_VIEWER cache model to actually disable the memory cache.
Fix a WebProcess crash after too many redirect error when there’s an active NPAPI plugin.
Fix a WebProcess crash when gtk-font-name setting is empty.
Ensure Math.abs() doesn’t return negative.
Correctly restore accelerated compositing after a WebProcess crash.
Respect X-Frame-Options headers when loading from application cache.
Several crashes and rendering issues fixed.
Fix the MIPS N64 detection.
Fix several memory leaks.
Translation updates: Catalan.

Thanks to all the contributors who made possible this release.