Generic armv7l Linux build for Beagleboard &co. 

This is a generic Linux build of oF for ARM Cortex A8/9 devices (Beagleboard, Pandaboard, Gumstix, Tegra 250, IGEPv2, ...) with built-in NEON optimizations in the included libs and makefiles (via gcc -O3 -march=armv7-a -mtune=cortex-a8 -mfpu=neon -ftree-vectorize -mfloat-abi=softfp)