sort extensions in Xcode project
sort extensions in Xcode project

and apparently fix ObjectLiteralRule.swift's placement in pbxproj file,
which Xcode did automatically

Johnykutty/SwiftLint,Johnykutty/SwiftLint,firebase/SwiftLint,victorpimentel/SwiftLint,victorpimentel/SwiftLint,firebase/SwiftLint,realm/SwiftLint,realm/SwiftLint,firebase/SwiftLint,victorpimentel/SwiftLint,jeffreybergier/SwiftLint,jeffreybergier/SwiftLint,lyft/SwiftLint,Johnykutty/SwiftLint,victorpimentel/SwiftLint,jeffreybergier/SwiftLint,jeffreybergier/SwiftLint,lyft/SwiftLint,Johnykutty/SwiftLint,realm/SwiftLint,realm/SwiftLint,lyft/SwiftLint,lyft/SwiftLint,firebase/SwiftLint