Implement initial unit testing and continuous integration system for AFNetworking. refs AFNetworking/AFNetworking#941
Add Travis CI build status logo to README.md
Remove unnecessary CocoaPods setup during Travis build execution
Cleanup Podfile and remove overridden OTHER_LDFLAGS on AFNetworking static library target
Restore previous break-out of Pods configuration as the global import links it into the wrong targets
Add Podfile.lock to the project
Reorganize testing setup

* Eliminate static library and framework targets
* Migrate all testing infrastructure and code to Tests/
* Nest CocoaPods setup for testing under Tests/
* Remove explicit dependencies from shared schemes
Restore functionality of Rake tasks
Add section to the README.md detailing how to setup and execute the unit tests
Add test coverage for construction of request body via `AFHTTPClient`. refs #989
Add test coverage around operation cancellation setting the error and invoking the failure block. refs #941
Pull in a few more basic request/response tests from @kcharwood
Add composite status code reporting during CLI execution
Adjust delays on cancellation test -- unsure why this does not pass when run in the full suite
Fix incorrect rake execution in Travis config
Merge branch 'feature/941-testing-infrastructure' of git://github.com/blakewatters/AFNetworking into blakewatters-feature/941-testing-infrastructure
Refactoring test cases to put common initialization in -setUp
Changing file headers
Update README.md
Added test cases for pause/resume