Add more logging to xencrsh

Signed-off-by: Owen Smith <owen.smith@citrix.com>
[SCTX-1663] Prevent transitions to Initialized causing DEAD BSOD
on resume from suspend, when suspend occurs before transition out
of Initialized.

Also, fix minor typo in xencrsh/pdo.c

Signed-off-by: Owen Smith <owen.smith@citrix.com>
[SCTX-1663] Make Closed->Initialized a valid transition.
Resuming from suspend, when the suspend occured before the
Initialized->Closed transition is valid, and the state needs to change
to allow subsiquent resumes to close the backend connection.

Signed-off-by: Owen Smith <owen.smith@citrix.com>
Merge pull request #8 from OwenSmith/master

[SCTX-1663] Allow Closed -> Initialized state transition