server: support for Async
Set async-supported in all our filters so that things like
SSE are supported out of the box.
<filter>
<filter-name>instrumentedFilter</filter-name>
<filter-class>com.codahale.metrics.servlet.InstrumentedFilter</filter-class>
+ <async-supported>true</async-supported>
</filter>
<filter-mapping>
<filter-name>instrumentedFilter</filter-name>
<!-- Filter all requests through Shiro -->
<filter-name>ShiroFilter</filter-name>
<filter-class>org.apache.shiro.web.servlet.ShiroFilter</filter-class>
+ <async-supported>true</async-supported>
</filter>
<filter-mapping>
<!-- The Shiro filter-mapping should come first -->
<!-- Guice emulates Servlet API with DI -->
<filter-name>guiceFilter</filter-name>
<filter-class>org.killbill.billing.server.filters.KillbillGuiceFilter</filter-class>
+ <async-supported>true</async-supported>
</filter>
<filter-mapping>
<filter-name>guiceFilter</filter-name>
