Fix inconsistencies between pom.xml and META-INF/spring.provides
Use forward:/index.html for home page

Fixes gh-549
Accept viewNames and excludedViewNames for ThymeleafViewResolver

(via spring.thymeleaf.*).

Fixes gh-548
Allow user to opt out of ContentNegotiatingViewResolver

The bean ID for the ContentNegotiatingViewResolver is now
"viewResolver" (it is the *one*). The conditions have been changed
so that a user only has to define a bean of the same name to switch
it off.

Fixes gh-546
minor doc changes based on RC5 migration experience
Fix issue with paralellism and CodaHale metrics

Since there is no atomic remove/register operation for
Gauges, we need to synchronize.
Tweak to support finer grained locking

Fixes gh-543
Add marker interface for non-embedded servlet container

ErrorPageFilter is itself an EmbeddedServletContainerFactory
but it runs in a non-embedded container. Any component that assumes
the presence of an EmbeddedServletContainerFactory implies we are
running embedded is therefore invalid. WebSocketAutoConfiguration
had that problem.

Fixes gh-551