Add integration tests for roomserver to travis (#21)

* Add integration tests for roomserver to travis

* Try setting the dist trusty to see if that helps with postgres

* Pretty print the test input JSON

* Add comment as to why we are using trusty

.travis.yml

@@ -1,13 +1,26 @@
 language: go
 go:
  - 1.7
+
+sudo: false
+
+# Use trusty for postgres 9.5 support
+dist: trusty
+
+addons:
+  postgresql: "9.5"
+
+services:
+  - postgresql
+
 install:
  - go get github.com/constabulary/gb/...
  - go get github.com/golang/lint/golint
  - go get github.com/fzipp/gocyclo
+ - ./travis-install-kafka.sh
 
 script:
- - gb build github.com/matrix-org/dendrite/roomserver/roomserver && ./hooks/pre-commit
+ - ./travis-test.sh
 
 notifications:
     webhooks: