updated lwjgl version to the 3.0.0 release

jme3-lwjgl3/build.gradle

@@ -2,7 +2,7 @@ if (!hasProperty('mainClass')) {
     ext.mainClass = ''
 }
 
-def lwjglVersion = '3.0.0b'
+def lwjglVersion = '3.0.0'
 
 dependencies {
     compile project(':jme3-core')