Add password secret to brocade plugin

Fixes bug 1123368

All other password's are marked as secret.

Change-Id: I2451b1040bffa524602690a7686d9718f60ccfe7
Add midonet to setup.py

Fixes bug 1132889

Change-Id: I3334f515d85ea165b07b3ef576a043243c3c1bc0
Merge "Add password secret to brocade plugin"