* Rename view for vm_to_email feature

* Modify feature dialog to display vmbox and vm-to-email functionalities

* Refactor save function for user's vmbox feature

* Change voicemail feature headline and title

* Create function to add main VMBox to user + other helpers

* Improve functions related to get formatted user numbers data

* Complete function to add vmbox to user

* Add function to delete user VMBox

* Remove old usersRenderVMBox code

* Extract form validation from `monster.waterfall`

* Use vmbox data from feature load function

* Get user's VMBox on feature save

* Handle VMBox feature

* Add missing self variable

* Get main user vmbox, match user list with vmboxes, and code refactor

* Code and logic fixes

* Set vm-to-email disabled if vmbox is not created for new user

* Add delete_after_notify to new voicemail box, and related TO-DOs

* Update ID and class related to vm_to_email_enabled option in vmbox view

* Reorganized new functions

* Get full main vmbox for user on feature load, and patch vmbox function

* Add parameters to JSDoc comments for patch functions

* Reduce API requests when adding vmbox to user

* Remove double check at usersGetMainCallflow

* Code fixes

* Remove translations that are no longer needed

* Use object instead of parameter list for function usersDeleteDialog

* Refactor user deletion methods, and subscribe to new user deletion event

* Remove user deletion and related unused functions

* Use common event to delete user

* Remove user deleteDialog and related data

* Rename deleteSmartUser dialog event

* Use i18n reference instead of hard-coded strings

* Add German translation for new string

* First revision

* Third revision

* Fourth revision

* Fifth revision

* Add German translation

* Expose German language as a selectable option