Break up the hog/object collision. Currently is $7F, allowing 128 overlapping objects accurately. Breaking it up into 15 for hogs, 7 for other objects. I'm thinking the overall accuracy should be just fine as far as people noticing even with a ton of overlapping hogs, and this way we can tell the difference between a hog and "something else". For experiment and rope-breaking purposes, make rope pass through hogs.

fix and/or screwup that was causing girders in tunnels to erase the tunnel. also a little bit of indentation/case fixing

- Enable CI builds with travis for hw iOS

Don't see a good reason for it to be here

Don't dump ghost points if map isn't detected

- Enable scheme sharing for Xcode project, this required for travis builds

Syntax fix