Added delay parameter to wait_for function

Added delay parameter to wait_for function
Added wait_for test
add provider config button options
add protection around non-link value
lint cleanup
Merge pull request #216 from psav/enhance_wait_for

Added delay parameter to wait_for function
Merge pull request #221 from dajohnso/add_cloud_cfg_button

add provider config button options
Merge pull request #219 from dajohnso/minor_tweaks

Minor tweaks