plugins: Add it's to cmdClass in ApiDiscovery, spring fails to self inject

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>
CLOUDSTACK-1323: retire some of no-longer used files

Conflicts:
	client/tomcatconf/components.xml.in

Signed-off-by: Prasanna Santhanam <tsp@apache.org>