add vendor packages避免用户网络太慢无法下载编译

vendor/github.com/Shopify/sarama/.travis.yml

@@ -0,0 +1,37 @@
+language: go
+go:
+- 1.7.x
+- 1.8.x
+- 1.9.x
+
+env:
+  global:
+  - KAFKA_PEERS=localhost:9091,localhost:9092,localhost:9093,localhost:9094,localhost:9095
+  - TOXIPROXY_ADDR=http://localhost:8474
+  - KAFKA_INSTALL_ROOT=/home/travis/kafka
+  - KAFKA_HOSTNAME=localhost
+  - DEBUG=true
+  matrix:
+  - KAFKA_VERSION=0.10.2.1
+  - KAFKA_VERSION=0.11.0.2
+  - KAFKA_VERSION=1.0.0
+
+before_install:
+- export REPOSITORY_ROOT=${TRAVIS_BUILD_DIR}
+- vagrant/install_cluster.sh
+- vagrant/boot_cluster.sh
+- vagrant/create_topics.sh
+
+install:
+- make install_dependencies
+
+script:
+- make test
+- make vet
+- make errcheck
+- make fmt
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
+
+sudo: false