Travis: Fix usage of sudo enable Trusty images

yadvr · yadvr · commit 4b4c363ea9f5 · 2017-07-11T16:02:51.000+05:30
Adds group to travis yml file based on: https://blog.travis-ci.com/2017-06-19-trusty-updates-2017-Q2 Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
diff --git a/.travis.yml b/.travis.yml
@@ -16,9 +16,10 @@
 # under the License.
 sudo: required
 dist: trusty
+group: edge
 language: java
 jdk:
-- oraclejdk7
+- openjdk7
 python:
   - "2.7"
 cache:
