Enabled bulk glReadPixels for snapshots if target-resolution matches render-resolution
Snapshot thumbnail generated from downscaled render image, instead of requring an extra pass.
Fixed avatar shadows on AMD (and any other sane GLSL compiler)
Fixed windows compile:
-curl version was updated after running develop.py. Not sure if applicable to linux/darwin
-new llqtwebkit version on windows, since the old url is now invalid.