Update pom.xml

- Setup cobertura mvn plugin
- Explicitly make it use 1.7

Author: dakusui

pom.xml

@@ -20,14 +20,14 @@
 	<version>1.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
-	<name>JaCoCo Maven plug-in example for Java project</name>
+	<name>Cobertura Maven plug-in example for Java project</name>
 	<url>http://www.eclemma.org/jacoco</url>
 
 	<dependencies>
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.10</version>
+			<version>4.12</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -36,23 +36,25 @@
 		<sourceDirectory>src/main/java</sourceDirectory>
 		<plugins>
 			<plugin>
-				<groupId>org.jacoco</groupId>
-				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.7.7.201606060606</version>
-				<executions>
-					<execution>
-						<goals>
-							<goal>prepare-agent</goal>
-						</goals>
-					</execution>
-					<execution>
-						<id>report</id>
-						<phase>test</phase>
-						<goals>
-							<goal>report</goal>
-						</goals>
-					</execution>
-				</executions>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</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>
 	</build>