Fixes #275 Upgrade to Netbeans 12 LTS

gradle.properties

@@ -14,5 +14,4 @@ buildJavaDoc = true
 buildSdkProject = true
 
 # Path for downloading NetBeans Base
-netbeansUrl = https://downloads.apache.org/netbeans/netbeans/11.3/netbeans-11.3-bin.zip
-# LTS: http://apache.org/dist/incubator/netbeans/incubating-netbeans/incubating-11.0/incubating-netbeans-11.0-bin.zip
+netbeansUrl = https://downloads.apache.org/netbeans/netbeans/12.0/netbeans-12.0-bin.zip

nbproject/project.properties

@@ -1,4 +1,4 @@
-#Fri, 10 Jan 2020 17:22:40 +0100
+#Wed, 10 Jun 2020 10:52:50 +0200
 app.icon=branding/core/core.jar/org/netbeans/core/startup/frame48.gif
 #same as ${branding.token}
 app.name=jmonkeyplatform
@@ -10,7 +10,7 @@ app.icon.icns=jmonkeyplatform.icns
 app.version=3.3.0-SNAPSHOT
 #version number used for plugins, only 3 numbers (e.g. 3.1.3)
 plugins.version=3.3.0
-nbm.revision=1947
+nbm.revision=2026
 #command line args
 run.args.extra=-J-Dsun.java2d.dpiaware\=true -J-Dapple.laf.useScreenMenuBar\=true -J-Dawt.useSystemAAFontSettings\=lcd -J-Dswing.aatext\=true -J-Xmx512m -J-XX\:MaxDirectMemorySize\=2048m -J-Dsun.zip.disableMemoryMapping\=true -J-Dapple.awt.graphics.UseQuartz\=true -J-Dsun.java2d.noddraw\=true
 auxiliary.org-netbeans-modules-apisupport-installer.license-file=license-jme.txt