Spring MVC should server static resources (*.html, ...) located in src/main/webapp instead of returning "404 Not Found"

Spring MVC should server static resources (*.html, ...) located in src/main/webapp instead of returning "404 Not Found".

It's common to use spring-petclinic as a skeleton to develop Spring MVC apps. Developers are surprised to not see their static resources (*.html, ...) dropped under src/main/webapp but to instead have a "404 Not Found".

cc @harpreetsingh