videorec: Always initialize audio and video time bases In both context and stream.

videorec: Fully set frame properties

videorec: Fix flushing encoders When passing NULL frames, encoders empty their queues, but we have to stop polling from them when they don't any more data.

videorec: Make sure the audio packet is considered empty

[bug #1] - Fixed simultaneous pressing of two arrow buttons on mobile

Fix TechRacer not recoding finish if time was >= 100s by raising this limit ten times.

fix pas2c breakage caused by recent changes in uLandGraphics

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