update SWIFT + PROTOBUF

.travis-install.sh

@@ -30,13 +30,13 @@ mkdir -p local
 
 
 # Install swift
-SWIFT_URL=https://swift.org/builds/swift-4.0-branch/ubuntu1404/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-09-01-a/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-09-01-a-ubuntu14.04.tar.gz
+SWIFT_URL=https://swift.org/builds/swift-4.0-branch/ubuntu1404/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-12-04-a/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-12-04-a-ubuntu14.04.tar.gz
 echo $SWIFT_URL
 curl -fSsL $SWIFT_URL -o swift.tar.gz 
 tar -xzf swift.tar.gz --strip-components=2 --directory=local
 
 # Install protoc
-PROTOC_URL=https://github.com/google/protobuf/releases/download/v3.2.0rc2/protoc-3.2.0rc2-linux-x86_64.zip
+PROTOC_URL=https://github.com/google/protobuf/releases/download/v3.5.1/protoc-3.5.1-linux-x86_64.zip
 echo $PROTOC_URL
 curl -fSsL $PROTOC_URL -o protoc.zip
 unzip protoc.zip -d local