Fix a few typos in ConfigurationManager.

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

Add simultor to the seemingly strict filter which should happen within
the hypervisor resource and not the virtualmachine :/

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
CLOUDSTACK-3580
RAT broken from Mice's checkin (acd2396)

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

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