Move to java8 and improve javadoc

Author: SalusaSecondus

.travis.yml

@@ -3,4 +3,4 @@ jdk:
   - openjdk8
   - oraclejdk8
 install: /bin/true
-script: mvn install --quiet -Dgpg.skip=true -DskipTests=true
+script: mvn install --quiet -Dgpg.skip=true

pom.xml

@@ -69,8 +69,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.1</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.8</source>
+          <target>1.8</target>
         </configuration>
       </plugin>
 
@@ -79,7 +79,6 @@
         <artifactId>maven-javadoc-plugin</artifactId>
         <version>2.9.1</version>
         <configuration>
-          <excludePackageNames>*.internal:*.transform</excludePackageNames>
           <minmemory>128m</minmemory>
           <maxmemory>1024m</maxmemory>
         </configuration>