Mute javadoc errors

Author: tylerlong

.travis.yml

@@ -3,5 +3,5 @@ language: java
 jdk:
     - oraclejdk8
 
-after_success:
-    - ./gradlew jacocoTestReport coveralls
+#after_success:
+#    - ./gradlew jacocoTestReport coveralls

build.gradle

@@ -109,4 +109,12 @@ bintray {
             }
         }
     }
-}
+}
+
+if (JavaVersion.current().isJava8Compatible()) {
+    allprojects {
+        tasks.withType(Javadoc) {
+            options.addStringOption('Xdoclint:none', '-quiet')
+        }
+    }
+}