1.9.1 beta 2 checkins

There are a lot of things queuing up to check in for the 1.9.1 beta 2 freeze. We want to make sure that there's adequate test coverage for everything, so we know what to back out when tests fail. Please sign up below for a chance to push.

• Name - Description/Bug#
• smontagu - bug 428317 Indic ligatures on OSX (in timezone +0200, will be online again before freeze time)
• peterv - bug 457022 Cache DOM wrappers in the DOM object
• kinetik - bug 449315 Support WAV format in <audio> element [CHECKIN-NEEDED]
• joe - bug 441563 Topcrash [@imgRequest::NotifyProxyListener(imgRequestProxy*)] at tokyomango.com
• dietrich - bug 445737, bug 418643
• karl - bug 449356 Refactor gfxPangoFontGroup (will affect perf on Linux), to land with bug 461087 add nsAutoRef.h
• cpearce - bug 462953 Remove unimplemented media attributes/methods [CHECKIN-NEEDED]
• campd - A set of offline patches and bug 461891 (switch to 2.2 safebrowsing servers).
• sdwilsh - bug 462964
• jdaggett - bug 457825 support use of access control headers with downloadable fonts
• zeniko - bug 462973 and bug 407110, two regression fixes for session restore [CHECKIN-NEEDED] (dietrich can do these)
• vlad - bug 462938 cairo 1.8.2
• vlad - bug 454473 simple win32 iconiziation/resize fix
• vlad - bug 455513 rgb24 images render much slower to argb32 targets on win32
• dolske - bug 462254 Remove EULA from Firefox installer / .dmg and related bits
• bent - bug 460811 Worker spec update
• bent (for benjamn) - bug 462389 XPC exception threadsafety