pvws: use springboot version

[rerpha]

as a developer i would like to use the spring boot version of pvws as it's easier to manage.

acceptance criteria

• spring boot version is put on NDAEXTWEB4

see https://docs.spring.io/spring-boot/docs/1.3.3.RELEASE/reference/html/deployment-windows.html

[rerpha]

also put on changes from ControlSystemStudio/pvws-springboot#8

[Tom-Willemsen]

Make sure we still deny inappropriate HTTP methods (e.g. DELETE)

[rerpha]

probably follow https://docs.spring.io/spring-boot/how-to/deployment/traditional-deployment.html#howto.traditional-deployment.war and deploy to tomcat?