try travis cache and log atlas-run start output

.travis.yml

@@ -16,3 +16,8 @@ script:
   - make lint
   - make
   - export OSHT_VERBOSE=1 && prove -v
+
+cache:
+  directories:
+    - t/.maven-cache
+    - t/start.log

t/000setup.t

@@ -19,9 +19,7 @@ RUNS docker run --detach -v $(pwd)/.maven-cache:/root/.m2/repository --name go-j
 RUNS sleep 5
 
 echo "# Waiting for jira service to be listening on port 8080"
-docker exec -i go-jira-test tail -f screenlog.0
-
-#| grep -m 1 'jira started successfully' | sed 's/^/# /'
+docker exec -i go-jira-test tail -f screenlog.0 | tee start.log | grep -m 1 'jira started successfully' | sed 's/^/# /'
 
 # wait for healthchecks to pass, curl will retry 900 times over 15 min waiting
 RUNS curl -q -L --retry 900 --retry-delay 1 -f -s "http://localhost:8080/rest/api/2/serverInfo?doHealthCheck=1"