ci(travis): upload test logs to chunk.io

Author: duncdrum

.travis.yml

@@ -1,4 +1,8 @@
+notifications:
+  hipchat: ec8fcfa661addc56a361a8ef536320@integrations
+
 language: java
+
 matrix:
   include:
     - jdk: openjdk8
@@ -11,6 +15,14 @@ matrix:
     - os: osx
       osx_image: xcode9.2
       env: JAVA_HOME=$(/usr/libexec/java_home)
+
 script: ./build.sh -Dexist.autodeploy=off -Dtest.haltonerror=true -Dtest.haltonfailure=true clean clean-all all test
-notifications:
-  hipchat: ec8fcfa661addc56a361a8ef536320@integrations
+
+cache:
+  directories:
+  - $HOME/.ivy2
+  - $HOME/.m2
+
+after_failure:
+   - tar -cf logs.zip test/junit/data
+   - curl -u $CHUNK_USER:$CHUNK_PW -sT logs.zip chunk.io