oft-requested, should make the shoppa guys happy, probably, but, knowing them, I'm sure someone will complain
Backed out
changeset 5d00c28059e3 - enable the feedback button again
cleanup headers, remove -I . from rtl lib to save a few warnings
up android target api (but this commit is actually just to test buildbot: desync
Don't rely on hedgehog facing direction, check intentions instead. Should fix excessive turns around and weird jumps to water