Merge pull request #4 from SERG-Delft/clean-pom

Clean POM layout

.gitignore

@@ -1,3 +1,4 @@
+# Maven ignores
 target/
 pom.xml.tag
 pom.xml.releaseBackup
@@ -9,4 +10,4 @@ buildNumber.properties
 .mvn/timing.properties
 
 # Exclude maven wrapper
-!/.mvn/wrapper/maven-wrapper.jar
+!/.mvn/wrapper/maven-wrapper.jar

pom.xml

@@ -9,6 +9,17 @@
     <version>0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Starter OOPProject-Template</name>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+
+        <checkstyle.version>7.2</checkstyle.version>
+        <checkstyle.plugin.version>2.17</checkstyle.plugin.version>
+
+        <jacoco-maven-plugin.version>0.7.8</jacoco-maven-plugin.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>junit</groupId>
@@ -17,13 +28,7 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-    <properties>
-        <maven.compiler.source>1.5</maven.compiler.source>
-        <maven.compiler.target>1.5</maven.compiler.target>
-        <checkstyle.version>7.2</checkstyle.version>
-        <checkstyle.plugin.version>2.17</checkstyle.plugin.version>
-        <argLine/>
-    </properties>
+
     <build>
         <plugins>
             <plugin>
@@ -38,10 +43,11 @@
                     </dependency>
                 </dependencies>
             </plugin>
+
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.7.8</version>
+                <version>${jacoco-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <id>default-prepare-agent</id>
@@ -68,16 +74,18 @@
                     </execution>
                 </executions>
             </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
                 </configuration>
             </plugin>
         </plugins>
     </build>
+
     <reporting>
         <plugins>
             <plugin>
@@ -89,8 +97,8 @@
                 <configuration>
                     <configLocation>TI1216.checkstyle.xml</configLocation>
                 </configuration>
-
             </plugin>
         </plugins>
     </reporting>
+
 </project>