Note, OpenCV now compiles with armv7s support so this solution is outdated
This framework is made to be a drop in replacement for an ios framework generated for OpenCV2.4 but with armv7s support. A description of the process for making this framework as well as its potential limitations can be seen here.
http://stackoverflow.com/questions/12491046/opencv-framework-does-not-compile-for-the-armv7s-architecture/12592474#12592474
The included project was used to build the opencv_world library which is the umbrella library included in the framework.