Simplify getting a collections handler.
This is no longer true.
There is no need to pass this value for a PING.
No need to poll for maillog changes on initial sync.

We obtain the lastVerb when we build the Horde_ActiveSync_Message_Mail
object anyway.
Locally cache the lastVerb since we may ask for it more than once per request.
Mark incomplete until I can generate a new fixture.
Remove commented out code.
parse error.