Fix some broken markdown in the README (#119)

Some newlines snuck their way into these links

kafka-connector/README.md

@@ -1,9 +1,7 @@
 ### Introduction
 
-The CloudPubSubConnector is a connector to be used with [Kafka Connect]
-(http://kafka.apache.org/documentation.html#connect) to publish messages from
-[Kafka](http://kafka.apache.org) to [Google Cloud Pub/Sub]
-(https://cloud.google.com/pubsub/) and vice versa. CloudPubSubConnector provides
+The CloudPubSubConnector is a connector to be used with [Kafka Connect](http://kafka.apache.org/documentation.html#connect) to publish messages from
+[Kafka](http://kafka.apache.org) to [Google Cloud Pub/Sub](https://cloud.google.com/pubsub/) and vice versa. CloudPubSubConnector provides
 both a sink connector (to copy messages from Kafka to Cloud Pub/Sub) and a
 source connector (to copy messages from Cloud Pub/Sub to Kafka).
 
@@ -56,8 +54,7 @@ The resulting jar is at target/cps-kafka-connector.jar.
 
 3.  Create an appropriate configuration for your Kafka connect instance. More
     information on the configuration for Kafka connect can be found in the
-    [Kafka Users Guide]
-    (http://kafka.apache.org/documentation.html#connect_running).
+    [Kafka Users Guide](http://kafka.apache.org/documentation.html#connect_running).
 
 4.  If running the Kafka Connector behind a proxy, you need to export the
     KAFKA_OPTS variable with options for connecting around the proxy. You can