Bump some versions

Add Kafka 0.11 to CI to make sure it works.

Mention it and Go 1.9 in the README.

.travis.yml

@@ -13,7 +13,8 @@ env:
   - DEBUG=true
   matrix:
   - KAFKA_VERSION=0.9.0.1
-  - KAFKA_VERSION=0.10.2.0
+  - KAFKA_VERSION=0.10.2.1
+  - KAFKA_VERSION=0.11.0.1
 
 before_install:
 - export REPOSITORY_ROOT=${TRAVIS_BUILD_DIR}

README.md

@@ -20,7 +20,7 @@ You might also want to look at the [Frequently Asked Questions](https://github.c
 Sarama provides a "2 releases + 2 months" compatibility guarantee: we support
 the two latest stable releases of Kafka and Go, and we provide a two month
 grace period for older releases. This means we currently officially support
-Go 1.8 and 1.7, and Kafka 0.10 and 0.9, although older releases are
+Go 1.9 through 1.7, and Kafka 0.11 through 0.9, although older releases are
 still likely to work.
 
 Sarama follows semantic versioning and provides API stability via the gopkg.in service.

vagrant/install_cluster.sh

@@ -6,7 +6,7 @@ TOXIPROXY_VERSION=2.0.0
 
 mkdir -p ${KAFKA_INSTALL_ROOT}
 if [ ! -f ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz ]; then
-    wget --quiet http://apache.mirror.gtcomm.net/kafka/${KAFKA_VERSION}/kafka_2.10-${KAFKA_VERSION}.tgz -O ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz
+    wget --quiet http://apache.mirror.gtcomm.net/kafka/${KAFKA_VERSION}/kafka_2.11-${KAFKA_VERSION}.tgz -O ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz
 fi
 if [ ! -f ${KAFKA_INSTALL_ROOT}/toxiproxy-${TOXIPROXY_VERSION} ]; then
     wget --quiet https://github.com/Shopify/toxiproxy/releases/download/v${TOXIPROXY_VERSION}/toxiproxy-server-linux-amd64 -O ${KAFKA_INSTALL_ROOT}/toxiproxy-${TOXIPROXY_VERSION}