Add debug and verbose log support for Ironic.

This can obviously also be done through passthrough, but we
model it explicitly elsewhere, so this is consistent.

Change-Id: Ifebc53095767c0b98941beaa2f7e6899b1287d8c
Add getopt to ensure-bridge

We're about to make a few changes to ensure-bridge and getopt will
make backwards compat easier.

Change-Id: I9e4111cab41e992c98738d2c00cd8d780632e0d5
Merge "Add getopt to ensure-bridge"
Merge "Add debug and verbose log support for Ironic."