Add jacoco-maven-plugin

pom.xml

@@ -197,6 +197,11 @@
           <artifactId>versions-maven-plugin</artifactId>
           <version>2.7</version>
         </plugin>
+        <plugin>
+          <groupId>org.jacoco</groupId>
+          <artifactId>jacoco-maven-plugin</artifactId>
+          <version>0.8.4</version>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
@@ -288,6 +293,24 @@
           <rulesUri>file://${openrs2.root}/version-rules.xml</rulesUri>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>prepare-agent</id>
+            <goals>
+              <goal>prepare-agent</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>report</id>
+            <goals>
+              <goal>report</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 
@@ -301,6 +324,10 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jxr-plugin</artifactId>
       </plugin>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+      </plugin>
     </plugins>
   </reporting>