Require Java 8, fix CI
diff --git a/.gitignore b/.gitignore
index a0d523e..fb03541 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .classpath
 .settings/
 .project
+.idea/
diff --git a/pom.xml b/pom.xml
index 60f0fb2..aa84828 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
   <properties>
     <doxiaVersion>1.3</doxiaVersion>
     <checkstyle.violation.ignore>MethodName,NewlineAtEndOfFile,ParameterNumber</checkstyle.violation.ignore>
-    <javaVersion>7</javaVersion>
+    <javaVersion>8</javaVersion>
     <project.build.outputTimestamp>2020-04-07T21:04:00Z</project.build.outputTimestamp>
   </properties>
 
@@ -141,9 +141,9 @@
             <excludes combine.children="append">
               <exclude>src/test/resources/expected/doc-book/plexus-user-guide.xml</exclude>
               <exclude>src/test/resources/book-1/section-*.apt</exclude>
-            </excludes>            
+            </excludes>
           </configuration>
-        </plugin>      
+        </plugin>
         <plugin>
           <groupId>org.codehaus.plexus</groupId>
           <artifactId>plexus-component-metadata</artifactId>
@@ -213,4 +213,4 @@
       </reporting>
     </profile>
   </profiles>
-</project>
\ No newline at end of file
+</project>