Travis: print also $JAVA_HOME

.travis.yml

@@ -8,6 +8,7 @@ refs:
   - &bundle
     stage: bundle
     script:
+      - 'echo $JAVA_HOME'
       - 'java -version'
       - 'javac -version'
       - ./tools/sbt/bin/sbt assembly
@@ -19,9 +20,10 @@ refs:
   - &bench
     stage: benchmark
     script:
+      - 'echo $JAVA_HOME'
+      - 'java -version'
       - mkdir -p target
       - CACHED_JAR_NAME="$HOME/.prebuilt/"`git rev-parse HEAD`.jar; if [ -e "$CACHED_JAR_NAME" ]; then cp "$CACHED_JAR_NAME" target/renaissance-0.9.0.jar; else ./tools/sbt/bin/sbt assembly; fi
-      - 'java -version'
       - 'java -jar ./target/renaissance-0.9.0.jar --raw-list >list.txt'
       - 'for BENCH in `cat list.txt`; do echo "====> $BENCH"; java -Xms2500M -Xmx2500M -jar ./target/renaissance-0.9.0.jar --functional-test -r 1 "$BENCH" || exit 1; done'