Use codecov for coverage. (#199)

Author: tswast

pom.xml

@@ -75,32 +75,25 @@ limitations under the License.
           <execution><goals><goal>check</goal></goals></execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.eluder.coveralls</groupId>
-        <artifactId>coveralls-maven-plugin</artifactId>
-        <version>4.1.0</version>
-        <configuration>
-          <coberturaReports>
-            <coberturaReport>${basedir}/target/coverage.xml</coberturaReport>
-          </coberturaReports>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>cobertura-maven-plugin</artifactId>
-        <version>2.6</version>
-        <configuration>
-          <outputDirectory>${basedir}/target</outputDirectory>
-          <formats>
-            <format>xml</format>
-            <format>html</format>
-          </formats>
-          <format>xml</format>
-          <maxmem>256m</maxmem>
-          <!-- aggregated reports for multi-module projects -->
-          <aggregate>true</aggregate>
-        </configuration>
-      </plugin>
+        <plugin>
+          <groupId>org.jacoco</groupId>
+          <artifactId>jacoco-maven-plugin</artifactId>
+          <version>0.7.6.201602180812</version>
+          <executions>
+            <execution>
+              <goals>
+                <goal>prepare-agent</goal>
+              </goals>
+            </execution>
+            <execution>
+              <id>report</id>
+              <phase>test</phase>
+              <goals>
+                <goal>report</goal>
+              </goals>
+            </execution>
+          </executions>
+        </plugin>
     </plugins>
   </build>
 </project>