Make Travis use their new infra.

.travis.yml

@@ -1,4 +1,5 @@
 language: go
+sudo: false
 go:
  - 1.4
 install:
@@ -6,9 +7,6 @@ install:
 before_script:
  - go get golang.org/x/tools/cmd/vet
  - go get github.com/kr/godep
- - wget http://s3.amazonaws.com/influxdb/influxdb_latest_amd64.deb
- - sudo dpkg -i influxdb_latest_amd64.deb
- - sudo service influxdb start
 script:
  - export PATH=$PATH:$HOME/gopath/bin
  - ./build/presubmit.sh