fix build

Author: Artem Labazin

.travis.yml

@@ -7,10 +7,10 @@ jdk:
   - openjdk8
 
 install:
-  ./mvnw --settings .settings.xml compile -B -U
+  ./mvnw compile -B -U
 
 script:
-  ./mvnw -Dmaven.javadoc.skip=true --settings .settings.xml verify -B
+  ./mvnw install -B
 
 before_deploy:
   - ./mvnw help:evaluate -N -Dexpression=project.version | grep -v '\['

pom.xml

@@ -393,7 +393,7 @@ limitations under the License.
         <executions>
           <execution>
             <id>sign-artifacts</id>
-            <phase>install</phase>
+            <phase>deploy</phase>
             <goals>
               <goal>sign</goal>
             </goals>