Added Form (name) attribute
Fixed bug where XPATH would match wrong element
Fix for click so only True is accepted
Added new Infrastructure provider models and pages
cfme login tests work if the browser is already logged in

Also caught a bug on is_displayed: `browser()` (a WebDriver) has no
`is_displayed` method.
Added infrastructure provider tests
force_navigate now passes args (like context) back to go_to
Added logging for form filling
Merge pull request #418 from psav/infra_prov_page

Infra prov page
Merge pull request #413 from psav/enhance_logging

Enhance logging
Add script to enable external DB

Add 'database' key to credentials.yaml
Merge pull request #422 from jkrocil/enable_external_db

Script to setup external database on an appliance (over SSH)
Database creds are in the yamls now, thanks to #422
provider setup functions for infra and cloud
Merge pull request #419 from seandst/login

cfme login tests work if the browser is already logged in
Merge pull request #420 from seandst/force-nav-passes-args

force_navigate now passes args (like context) back to go_to
Merge pull request #424 from seandst/database-credentialols

Database creds are in the yamls now, thanks to #422
Merge pull request #425 from seandst/provider-setups

provider setup functions for infra and cloud
Added node click support for radios and bug fix

* Fixed bug with XPATH
* Added radio support
TabStripField and TabStripForm

For use on forms that are spread out into multi tabstrip pages.