Adds .swift-version to force pods to use 3.0

Author: flovilmart

.swift-version

@@ -0,0 +1 @@
+3.0

.travis.yml

@@ -36,9 +36,10 @@ script:
       xcodebuild clean -workspace ParseLiveQuery.xcworkspace -scheme LiveQueryDemo-ObjC | xcpretty -c
       xcodebuild build -workspace ParseLiveQuery.xcworkspace -scheme LiveQueryDemo-ObjC -configuration Debug | xcpretty -c
     elif [ "$TEST_TYPE" = CocoaPods ]; then
-      pod lib lint ParseLiveQuery.podspec
+      # SocketRocket produces warnings on xcode8
+      pod lib lint ParseLiveQuery.podspec --allow-warnings
     elif [ "$TEST_TYPE" = Carthage ]; then
-      carthage build --no-skip-current --platform iOS
+      carthage build --no-skip-current
     fi
 after_success:
 - |