Merge pull request #39 from lightglitch/fix1.8

Fix build on JDK 1.8

pom.xml

@@ -27,8 +27,8 @@
         <connection>scm:git:https://github.com/decebals/pf4j.git</connection>
         <developerConnection>scm:git:https://github.com/decebals/pf4j.git</developerConnection>
         <url>git@github.com/decebals/pf4j.git</url>
-      <tag>HEAD</tag>
-  </scm>
+        <tag>HEAD</tag>
+    </scm>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -111,6 +111,15 @@
     </modules>
 
     <profiles>
+        <profile>
+            <id>jdk8-build</id>
+            <activation>
+                <jdk>[1.8,)</jdk>
+            </activation>
+            <properties>
+                <additionalparam>-Xdoclint:none</additionalparam>
+            </properties>
+        </profile>
         <profile>
             <id>release-sign-artifacts</id>
             <activation>