http://stackoverflow.com/questions/5714372/how-to-empty-caches-and-clean-all-targets-xcode-4
Clean Build
Reset Simulator
Restart Xcode
Delete your DerivedData folder in ~/Library/Developer/Xcode/DerivedData
Delete the contents (not the whole folder) of /var/folders
Restart Computer
http://stackoverflow.com/questions/28106791/error-itms-90164-90046-invalid-code-signing-entitlements