Changed pom.xml to be able to create jar files, execute tests and gen…

…erate javadoc.

 - the Java language level was 6 and is 8 now.
 - javadoc uses error suppression but is able to generate (as replacement for the ant script)
 - there are now matching versions of different maven plugins
 - the .gitignore now ignores not only maven files but also testng files and eclipse project files.

.gitignore

@@ -0,0 +1,10 @@
+# maven output
+/target
+
+# testng output
+test-output/*
+
+# eclipse files and directories
+.classpath
+.project
+.settings/*

pom.xml

@@ -8,13 +8,20 @@
     <packaging>jar</packaging>
 
     <name>XXL</name>
-    <url>http://xxl.googlecode.com</url>
+    <description>The eXtensible and fleXible Library XXL for Java</description>
+    <url>https://github.com/umr-dbs/xxl</url>
     <licenses>
         <license>
             <name>GNU LGPL</name>
             <url>http://www.gnu.org/licenses/lgpl.html</url>
         </license>
     </licenses>
+
+    <inceptionYear>2000</inceptionYear>
+    <organization>
+    	<name>Prof. Dr. Bernhard Seeger - Head of the Database Research Group - Department of Mathematics and Computer Science - University of Marburg - Germany</name>
+    	<url>https://dbs.mathematik.uni-marburg.de</url>
+    </organization>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -28,20 +35,34 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>2.3.2</version>
+                <version>3.5</version>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                 </configuration>
             </plugin>
+
+            <plugin>
+	            <artifactId>maven-project-info-reports-plugin</artifactId>
+	            <version>2.8.1</version>
+	        </plugin>
+	        <plugin>
+	            <artifactId>maven-javadoc-plugin</artifactId>
+	            <version>2.10.3</version>
+	            <configuration>
+	            	<author>false</author>
+	            	<excludePackageNames>xxl.core.xxql,xxl.core.xxql.*</excludePackageNames>
+	            	<additionalparam>-Xdoclint:none</additionalparam>
+	            </configuration>
+	        </plugin>
         </plugins>
     </build>
 
     <dependencies>
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>6.1.1</version>
+            <version>6.9.10</version>
             <scope>test</scope>
         </dependency>
     </dependencies>