Fixes and move to jvmDemo (#286)

orx-fx/src/jvmDemo/kotlin/DemoBlend01.kt

@@ -0,0 +1,29 @@
+import org.openrndr.application
+import org.openrndr.extra.fx.blend.*
+fun main() {
+    application {
+        program {
+            val add = Add()
+            val colorBurn = ColorBurn()
+            val colorDodge = ColorDodge()
+            val darken = Darken()
+            val destIn = DestinationIn()
+            val destOut = DestinationOut()
+            val destAtop = DestinationAtop()
+            val hardLight = HardLight()
+            val lighten = Lighten()
+            val multiply = Multiply()
+            val multiplyContrast = MultiplyContrast()
+            val normal = Normal()
+            val overlay = Overlay()
+            val passthrough = Passthrough()
+            val screen = Screen()
+            val sourceIn = SourceIn()
+            val sourceAtop = SourceAtop()
+            val sourceOut = SourceOut()
+            val subtract = Subtract()
+            val xor = Xor()
+            application.exit()
+        }
+    }
+}