Supporting "--no-property" option will apply user a convenience
way to clean all properties of aggregate in a short command,
and this kind of behavior is the recommended way to devref.
The patch add "--no-property" option in "aggregate set" command,
and update related test cases and devref document.

Change-Id: I7614a23c0db05144562330dc600dbab7d003d5d8
Implements: blueprint support-no-property-in-aggregate

Support bulk deletion and error handling for "aggregate delete"
and "flavor delete" commands.

Change-Id: I3f6105cbeeab1c9f8cd571c63ce0e7ac3d4252b3
Partially-Implements: blueprint multi-argument-compute
Partial-Bug: #1592906

The formal of multi properties in most docs likes this:
[--property <key=value> [...] ]
[--property <key> [...] ]
This patch modify the formal of multi properties in
aggregate.rst.

Change-Id: I557cd51696d2721c8955c4a79f1ab85de3a0b9ce

The describe of Compute "aggregate" in command-objects and commands
documents use "a grouping of servers", but exactly that should be a
grouping of compute hosts. "server" object in OSC is a virtual machine
instance, and server group should be "grouping of servers".

Change-Id: Ib034fed15f11fc3e756985b3131a9922129ed6bf
Closes-Bug: #1563172
Related-Bug: #1542171

Support "aggregate unset" command in order to
remove the property of aggregate object in OSC.

Change-Id: I49645135586362f0fd251f5e4a4c03eff273d9e9
Closes-Bug: #1559866

Addresses some of the issues that appeared when running tox -edocs

Change-Id: I31133744ee0ddefa72c6590cb381de317e65633e

try and add some consistency with the show and delete commands.

replace 'show x' with 'display x'
change 'delete a y' with just 'delete y'

Change-Id: I47dfa8ee23ac5c41b355796415eb515155832f65

Change-Id: I8cb90e0d5aca58c4992271e007af91f8cf782643

aggregate
console log
console url
keypair

Change-Id: Iec9b8404ed5febd061a5dfd674b76aaa8aba67bc