added "mvn clean" on each script

BuildUtils/RunUI.bat

@@ -1 +1 @@
-mvn -f pom.xml compile ; mvn javafx:run -f ./ui/pom.xml
+mvn -f pom.xml compile ; mvn javafx:run -f ./ui/pom.xml ; mvn clean

BuildUtils/RunUI.sh

@@ -1 +1 @@
-mvn -f pom.xml compile && mvn javafx:run -f ./ui/pom.xml
+mvn -f pom.xml compile && mvn javafx:run -f ./ui/pom.xml ; mvn clean