Android patch files for boost 1_53
Build script change
Added ignored android boost patch file
Changes for android libs build on Mac-OS host
Updated script for mac platform build
Switched android toolchain to 4.7
Merge remote-tracking branch 'origin/20131025-federated-cloud-contacts' into 20140204-federated-android

# By Sergej Jovanovic
# Via Sergej Jovanovic
* origin/20131025-federated-cloud-contacts:
  Modified boost.sh script just to build 4 libraries: regex, thread, system and date_time. Boost fat library is also saved in ios/library folder, beside boost.framework.
Merge branch 'master' into 20140204-federated-android

* master:
  - boost framework has an error in paths https://github.com/openpeer/boost/issues/4