fixes #7907 - Allow images from gravatar on secure headers
Refs #7587 -  Refactor password confirmation

* confirmation status is now linked to password field
* extracted additional missing strings
* simplified jquery selectors
* switched to onKeyUp built in event
* hide progress bar by default
* fixed minor css
* handle empty pw/confirmation
* moved javascript/stylesheet into partial instead of new/edit
* moved inline js to onContentLoad event.
Fixes #7879 - Update fog to 1.24.0
Fixes #2283 , #3135 - add config option for proxy_request_timeout
fixes #7331 - delete unassigned os default templates