Merge pull request #5 from chris-crone/proto-mac

Fix macOS protobuf install

scripts/setup/install-protobuf

@@ -38,9 +38,9 @@ amd64|386)
 	elif [ "$GOOS" = linux ]; then
 		wget -O $PROTOBUF_DIR/protobuf "https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protoc-$PROTOBUF_VERSION-linux-x86_64.zip"
     elif [ "$GOOS" = darwin ]; then
-        wget -O $PROTOBUF_DIR/protobuf "https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protoc-$PROTOBUF_VERSION-osx-x86_64.zip"
+        curl -Lo $PROTOBUF_DIR/protobuf "https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protoc-$PROTOBUF_VERSION-osx-x86_64.zip"
 	fi
-	unzip $PROTOBUF_DIR/protobuf -d /usr/local
+	unzip $PROTOBUF_DIR/protobuf -x readme.txt -d /usr/local
 	;;
 
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