Android make files changes for webrtc
Build script change
webrtc build branch change
Updated build submodule
Android gyp and gypi changes for make file generations
updated for 64 bit webrtc build
Create README.md
Changes for android libs build on Mac-OS host
Updated script for mac platform build
Merge remote-tracking branch 'origin/20131223-webrtc_android' into 20140204-federated-android

# By astro (3) and others
# Via vickyggin
* origin/20131223-webrtc_android:
  Updated script for mac platform build
  Changes for android libs build on Mac-OS host
  Create README.md
  updated for 64 bit webrtc build
  Android gyp and gypi changes for make file generations
  Updated build submodule
  webrtc build branch change
  Build script change
  Android make files changes for webrtc
Switched android toolchain to 4.7
Android undefined references fix for webrtc libs
- video preview for Android
Merge remote-tracking branch 'origin/20131025-federated-cloud-contacts' into 20140204-federated-android

# By Vladimir Morosev
# Via Vladimir Morosev
* origin/20131025-federated-cloud-contacts:
  - audio session interruption callback
- global reference to video renderer class
https://github.com/openpeer/opandroid/issues/130
- code cleanup for Android changes
https://github.com/openpeer/opandroid/issues/158
Merge branch 'feature-20140306-media-android' into 20140204-federated-android
Merge branch '20140307-op' into 20140204-federated-android

* 20140307-op:
  - Xcode has changed warnings and thus "treat errors as warnings" will cause compile errors. Since this is a 3rd party library we will let them fix the warnings on master and then pull them in later