Updated POM

Author: rijnb

pom.xml

@@ -24,12 +24,29 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <jdk.version>1.8</jdk.version>
 
         <mapcode.version>1.50.3</mapcode.version>
         <log4j.version>1.2.17</log4j.version>
         <slf4j.version>1.7.12</slf4j.version>
+
+        <maven-compiler-plugin.version>3.2</maven-compiler-plugin.version>
     </properties>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${jdk.version}</source>
+                    <target>${jdk.version}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <dependencies>
         <dependency>
             <groupId>com.mapcode</groupId>