Update readme

Updated readme file and application.properties.template.

src/main/resources/application.properties.template

@@ -44,7 +44,11 @@ spring.datasource.url=jdbc:h2:mem:testdb
 
 #To auto run the liquibase changelog when spring starts, beware the liquibase migration can not be run
 #on a clean in memory database, because the tables won't exist yet.
-liquibase.change-log=classpath:/BOOT-INF/classes/changelog-master.yaml
+
+#production
+#liquibase.change-log=classpath:/BOOT-INF/classes/changelog-master.yaml
+#developement
+liquibase.change-log=classpath:/changelog-master.yaml
 
 spring.jpa.hibernate.ddl-auto=validate