enable pubsub for travis

Author: keks

.travis.yml

@@ -16,7 +16,7 @@ services:
 before_install:
 - docker pull ipfs/go-ipfs:master
 - mkdir /tmp/ipfs && chmod 0777 /tmp/ipfs
-- docker run -d -v /tmp/ipfs:/data/ipfs -p 8080:8080 -p 4001:4001 -p 5001:5001 ipfs/go-ipfs:master
+- docker run -d -v /tmp/ipfs:/data/ipfs -p 8080:8080 -p 4001:4001 -p 5001:5001 ipfs/go-ipfs:master --enable-pubsub-experiment
 
 install:
   - go get -t -v ./...