Fix .travis.yml

Author: gernest

.travis.yml

@@ -4,7 +4,7 @@ go:
 services:
   -postgresql
 before_script:
-  -psql -c 'create database utron;' -U postgres
+  - psql -c 'create database utron;' -U postgres
 before_install:
  - go get -t -v
  - go get github.com/axw/gocov/gocov