Merge pull request #24 from Nitrillo/REMB

Android REMB patch
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
updated gitignore to include chromeium_gn and openssl dirs
Merge pull request #28 from graceful/master

Updated gitignore to include chromeium_gn and openssl dirs
iOS H264 patch
Merge pull request #30 from bsrao/h264-patches

iOS H264 patch
Allow trunk builds
Adding isac as priority codec.
Merge pull request #31 from SteveMcFarlin/OPENTOK-17940

Adding isac as priority codec.
H264 patch for OS X
Merge pull request #32 from bsrao/h264-patches

H264 patch for OS X
Adding a function to delete the webrtc video capturer.
Merge pull request #33 from SteveMcFarlin/OPENTOK-17932

Adding a function to delete the webrtc video capturer.
MODIFY Fix bad copy-paste
H264 patch added to iossim
Merge pull request #34 from bsrao/h264-patches

H264 patch added to iossim
REMB fix for H264