Fixed crash if the event subsystem didn't initialize properly
Fixed input device detection on systems that aren't running the udev daemon
Fixed spurious SDL error on shutdown if mouse capture isn't supported
Fixed bug where EGL function pointers wouldn't get saved in optimized gcc builds
Better error reporting for video drivers with less than full functionality.
Expanded the iMX6 video driver into a general Vivante video driver that works across multiple SoCs
Updated configure based on recent configure.in changes