Restore .travis.yml

Now handling auto-build over Docker Hub directly

.travis.yml

@@ -1,13 +1,5 @@
-sudo: required
+language: go
 
-services:
-  - docker
-
-script:
-  - docker build -t terorie/od-database-crawler .
-
-after_success:
-  - if [[ "$TRAVIS_BRANCH" == "stable" ]]; then
-      docker login -u terorie -p $DOCKER_PASSWORD ;
-      docker push terorie/od-database-crawler ;
-    fi
+go:
+  - "1.11.x"
+  - master