Xdoclint fix for java 1.7

Author: Achim Brandt

pom.xml

@@ -54,6 +54,18 @@
 		</repository>
 	</distributionManagement>
 
+	<profiles>
+		<profile>
+			<id>doclint-java8-disable</id>
+			<activation>
+				<jdk>[1.8,)</jdk>
+			</activation>
+			<properties>
+				<javadoc.opts>-Xdoclint:none</javadoc.opts>
+			</properties>
+		</profile>
+	</profiles>
+
 	<build>
 		<plugins>
 			<plugin>
@@ -138,7 +150,7 @@
 							<goal>jar</goal>
 						</goals>
 						<configuration>
-							<additionalparam>-Xdoclint:none</additionalparam>
+							<additionalparam>${javadoc.opts}</additionalparam>
 						</configuration>
 					</execution>
 				</executions>
@@ -257,4 +269,5 @@
 		<name>ArangoDB GmbH</name>
 		<url>https://www.arangodb.com</url>
 	</organization>
+	
 </project>