Breaking down storage components among oss, nonoss and simulator
contexts. The default components are loaded by
OSS - applicationContext + componentContext
NonOSS - applicationContext + nonossComponentContext
Simulator - applicationContext + simulatorComponentContext
provider beans are are selectively overridden for simpler configuration.
Where possible beans are loaded by local reference.
<list merge=true> does not unfortunately work perfectly for bean merging
the providers causing a bit of bloat. Explore for later.
Signed-off-by: Prasanna Santhanam <tsp@apache.org>