[MB-885] positional constraint formatting suggestions
[MB-885] positional constraint formatting suggestions

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