Changed scanIntervalSeconds from -1 to 3

Author: ngonzalezpazFC

pom.xml

@@ -140,7 +140,7 @@
                 <artifactId>jetty-maven-plugin</artifactId>
                 <version>9.4.18.v20190429</version>
                 <configuration>
-                    <scanIntervalSeconds>-1</scanIntervalSeconds>
+                    <scanIntervalSeconds>3</scanIntervalSeconds>
                     <!-- Use test scope because the UI/demo classes are in 
                         the test package. -->
                     <useTestScope>true</useTestScope>