Make the first line of every file consistent.

Change-Id: I2e1a809cfca8e88693551d58d33e747f54ee5eb1
Correct update to zero numbers of health monitors

If property 'monitors' is in prop_diff and equals to None ot [],
we should not skip dissociating step for monitors.

Change-Id: I313a8e09dbeeab78126ff889316f0ecb1a9a8c84
Closes-Bug: #1301406
Catch exception during resolving outputs

Previously we got error when try to show incorrect outputs.
Now we catch all exceptions and return None value in this case.

Change-Id: I7a7c53c1ad8f42082c89c92cbcb52599a6c7f1f8
Closes-Bug: #1273490
Add admin_pass as attribute to CloudServer

This stores the admin password returned by nova() as an encrypted
property on the CloudServer to allow template authors to display them
as outputs of a stack.

Co-Authored-By: Anderson Mesquita <andersonvom@gmail.com>
Implements: blueprint custom-adminpass (partial)
Change-Id: Ic11f1ddcd114631b92f87d5760ab7a6761ba40e4
Add save_admin_pass property to CloudServer

This adds a save_admin_pass property to indicate whether or not the
admin_pass should be persisted in heat.  save_admin_pass is False by
default.

Implements: blueprint custom-adminpass (partial)
Change-Id: Iac59056abf2cf709ecb940b84c56d09fa3fbb7d4
Merge "Add admin_pass as attribute to CloudServer"
Merge "Add save_admin_pass property to CloudServer"
Merge "Correct update to zero numbers of health monitors"
Merge "Make the first line of every file consistent."
Merge "Catch exception during resolving outputs"