Use Java 9 Maven profile on Java 9 and later.

Author: PascalSchumacher

pom.xml

@@ -424,9 +424,9 @@ file comparators, endian transformation classes, and much more.
       </build>
     </profile>
     <profile>
-      <id>java9</id>
+      <id>java9+</id>
       <activation>
-        <jdk>9</jdk>
+        <jdk>[9,)</jdk>
       </activation>
       <properties>
         <!-- coverall version 4.3.0 does not work with java 9, see https://github.com/trautonen/coveralls-maven-plugin/issues/112 -->