Added rabbitmq-c v0.4.1 headers and fat static library for armv7 armv7s i386 architectures.
Added script for building rabbitmq-c library for i386, armv7, armv7s.

P.S. Working with Xcode5 tools installed.
rabbitmq-c library: https://github.com/alanxz/rabbitmq-c/releases
Updated pod spec 0.3.2ctx-ARC