Merge branch 'Java7+8-support' of https://github.com/shamanDevel/jmonkeyengine into cleanup_build_scripts_master

settings.gradle

@@ -15,7 +15,9 @@ include 'jme3-desktop'
 include 'jme3-blender'
 include 'jme3-jogl'
 include 'jme3-lwjgl'
-include 'jme3-lwjgl3'
+if (JavaVersion.current().isJava8Compatible()) {
+    include 'jme3-lwjgl3'
+}
 
 // Other external dependencies
 include 'jme3-jbullet'