Fixes #4830 - Added a new template to show when no trend data is collected.

refs #10550 - extract settings API error string

Fixes #10550 - Settings API will not update when value parameter is missing

Fixes #11011 - notifications are removed when window is changed

Fixes #11010 - removed type and association tabs, placed those options in the template tab

Fixes #6854 - Api status allowed for all users

fixes #5897 - when user doesn't have an email, email isn't required

fixes #11120 - migrate websockets setting when readonly in settings.yaml

Fixes #11035 - template preview feature

fixes #5630 - fixes VMWare clone from template fails if VMWare is in foreign language