Build with Java 8

Author: joschi

.travis.yml

@@ -2,9 +2,6 @@ sudo: required
 dist: trusty
 language: java
 jdk:
-#  - openjdk6
-#  - openjdk7
-  - oraclejdk7
   - oraclejdk8
 addons:
   # Fix OpenJDK builds

pom.xml

@@ -49,6 +49,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
 
     <distributionManagement>
@@ -120,10 +122,6 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.5.1</version>
-                <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
-                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>