Rename port to check_pending_port and port_timeout to
check_pending_timeout.
The default settings have also been moved to a location where other
defaults are being set.
This change makes the port and port timeout configurable via the YAML
config file. Before these were hard coded to 22 and 5, respectively.
Tests have been added to verify the default is chosen when not
configured and the configuration is picked up when supplied.
The following pool configuration would allow a pool to be aliased in POST
requests as 'centos-6-x86_64', 'centos-6-amd64', or 'centos-6-64':
````yaml
- name: 'centos-6-x86_64'
alias: [ 'centos-6-amd64', 'centos-6-64' ]
template: 'templates/centos-6-x86_64'
folder: 'vmpooler/centos-6-x86_64'
datastore: 'instance1'
size: 5
````
The 'alias' configuration can be either a string or an array.
Note that even when requesting an alias, the pool's 'name' is returned in
the JSON response:
````
$ curl -d '{"centos-6-64":"1"}' --url vmpooler/api/v1/vm
````
````json
{
"ok": true,
"centos-6-x86_64": {
"hostname": "cuna2qeahwlzji7"
},
"domain": "company.com"
}
````
This commit removes support for VMware 'resource pool' functionality
entirely, as VMware installations without the DRS feature enabled are
unable to configure or use resource pools.
Also, resource pools should have never been used for organization;
that's what folders are for.
