Update libEGL tests makefile - Use framework libEGL / libGLESv2
Update hwc - allow selection between different api versions
pull original razdroid hwcomposer.cpp for reference
Add TARGET_HWC_VERSION and TARGET_EGL_PREBUILT := true build system
variables

Set TARGET_EGL_PREBUILT := true to use Wrapped libEGL_bcm2708
found in vendor/broardcom/rpi directory

Set TARGET_HWC_VERSION = 3 to build v1.3 HWC or TARGET_HWC_VERSION =1 for v1.1
modified dispmax initialization routines
split source file list into a separate makefile
add TARGET_EGL_PREBUILT option checking
BADGER BADGER BADGER HACK HACK HACK