parameters.

Fix https://github.com/ansible/ansible/issues/9948

Support RackConnect v3 by allowing a network to be specified for use in determining ansible_ssh_host

Import json called twice. In first it will call an exception, if json
module not installed.

adding for loop on list to to handle the return of none when the list is empty. With the previous method if the list was empty the script died. See http://stackoverflow.com/questions/18852324/typeerror-sequence-item-0-expected-string-nonetype-found

This allows filtering out EC2 instances based on various different
filters including tags. As requested in 7480 it supports logical "OR"
instead of "AND" on the provided list of filters.

need to handle the case where include_pattern and exclude_pattern exist in the config file but contain empty strings

The provisioning module knows more about how nova deals with IP
addresses now. Ensure that the inventory module is similarly as smart
by separating out the logic into the openstack/module_utils.

fixed cache expiration

fixed vmware properties, was getting parent's properties
cache now actually works
removed tags, they were not the ones i was looking for
renamed cache defaults fixed ini file to match

- auth_system
- region_name

These are config settings that could be left out in many scenarios, but
the current code is requiring them. With this in place, I can get by
with this minimal .ini file:

```ini
[openstack]
version=1.1
auth_url=http://{keystone_host}:5000/v2.0
project_id=web
username={username}
api_key={password}
```

@mpdehaan said that nothing uses them at
https://github.com/ansible/ansible/pull/7988#issuecomment-47600006

azure - fix for: temporary redirect, not deleted vhds, missing locations and role types, async api calls

Signed-off-by: Hector Acosta <hector.acosta@gmail.com>