Update to java 13

Author: eschmar

.gitignore

@@ -101,11 +101,11 @@ local.properties
 # When using Gradle or Maven with auto-import, you should exclude module files,
 # since they will be recreated, and may cause churn.  Uncomment if using
 # auto-import.
-# .idea/modules.xml
-# .idea/*.iml
-# .idea/modules
-# *.iml
-# *.ipr
+.idea/modules.xml
+.idea/*.iml
+.idea/modules
+*.iml
+*.ipr
 
 # CMake
 cmake-build-*/
@@ -143,10 +143,10 @@ fabric.properties
 ### Intellij Patch ###
 # Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
 
-# *.iml
-# modules.xml
-# .idea/misc.xml
-# *.ipr
+*.iml
+modules.xml
+.idea/misc.xml
+*.ipr
 
 # Sonarlint plugin
 .idea/sonarlint

.idea/misc.xml

@@ -9,7 +9,7 @@ repositories {
 }
 
 javafx {
-    version = "12.0.2"
+    version = "13"
     modules = [ 'javafx.controls' ]
 }