Merge pull request #11 from launchdarkly/eb/ch105283/javadoc-ci

validate Javadoc in CI

Author: eli-darkly

.circleci/config.yml

@@ -19,6 +19,7 @@ jobs:
       - checkout
       - run: cp gradle.properties.example gradle.properties
       - run: ./gradlew test
+      - run: ./gradlew javadoc
       - run:
           name: Save test results
           command: |