Use jdk8 for circleci #106
Use jdk8 for circleci #106

GoogleCloudPlatform/openjdk-runtime,GoogleCloudPlatform/appengine-java-vm-runtime,jetty-project/appengine-java-vm-runtime,GoogleCloudPlatform/appengine-java-vm-runtime,GoogleCloudPlatform/openjdk-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/appengine-java-vm-runtime,aozarov/appengine-java-vm-runtime,jetty-project/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/openjdk-runtime,jetty-project/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,aozarov/appengine-java-vm-runtime,aozarov/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime