update to use cobertura

Author: andrewmkrug

.travis.yml

@@ -6,4 +6,4 @@ before_install:
   - brew cask install firefox
 after_success:
   - bash <(curl -s https://codecov.io/bash)
-  - mvn clean test coveralls:report
+  - mvn clean cobertura:cobertura coveralls:report

pom.xml

@@ -36,6 +36,18 @@
                     <artifactId>coveralls-maven-plugin</artifactId>
                     <version>4.3.0</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.codehaus.mojo</groupId>
+                    <artifactId>cobertura-maven-plugin</artifactId>
+                    <version>2.7</version>
+                    <configuration>
+                        <formats>
+                            <format>html</format>
+                            <format>xml</format>
+                        </formats>
+                        <check />
+                    </configuration>
+                </plugin>
             </plugins>
         </pluginManagement>
     </build>