OPENTOK-16998 #comment Memory pressure EXPLOSION containment.  A lot of memory usage seems to be proportional to the max size the codec can handle, rather than what is actually used.  Dialing down the maximums with WebRTC patches.
MODIFY Fix iossim build

* Xcode 6 build is broken [1]
* Don't allow ninja to fail
* While we're at it, use system clang as we do for ios

[1]: https://code.google.com/p/webrtc/issues/detail?id=3865
Merge pull request #25 from wilsonmichaelpatrick/OPENTOK-16998

OPENTOK-16998 #comment Memory pressure EXPLOSION containment.  A lot of ...
Merge pull request #26 from wobbals/fix-iossim

MODIFY Fix iossim build