[Validator] Validate vendored_libraries paths
[Validator] Validate vendored_libraries paths

vivekshukla-mob-ibtech/Repository,mglidden/CocoaPods,Ashton-W/CocoaPods,ashfurrow/CocoaPods,segiddins/CocoaPods,mglidden/CocoaPods,mglidden/CocoaPods,orta/CocoaPods