Set up Codecov integration.
diff --git a/pom.xml b/pom.xml
index 80cde80..3ef300a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -313,6 +313,30 @@
                 </configuration>
             </plugin>
             <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.2</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>com.github.veithen.maven</groupId>
+                <artifactId>jacoco-report-maven-plugin</artifactId>
+                <version>0.1.0</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>process</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
                 <groupId>org.codehaus.gmaven</groupId>
                 <artifactId>gmaven-plugin</artifactId>
                 <executions>