Pull from kleinerm for PTB BETA RELEASE "Sex, Lies and Video"

* OSX 10.9 Mavericks compatibility fixes.
* Rewrite of OSX FontInfo and DrawText renderer for higher startup speed and compatibility.
* Minor bug fixes for OSX, Windows, Linux.
* General improvements to video capture and video recording.
* DC1394 based Firewire video recording support.
* DC1394 based Firewire multi-camera synchronized video capture/recording.