Force OCMock to use the iOS7 deploy target for  now.
Force OCMock to use the iOS7 deploy target for  now.

zhangqinghe/ios-library,zhangqinghe/ios-library,manuyavuz/ios-library,grosch/ios-library,manuyavuz/ios-library,mikerowan/ios-library,ipmobiletech/ios-library,grosch/ios-library,grosch/ios-library,mikerowan/ios-library,manuyavuz/ios-library,zhangqinghe/ios-library,ipmobiletech/ios-library,mikerowan/ios-library,ipmobiletech/ios-library