Working delete user modal & button

closes #3529
- Created ‘delete user’ modal (similar to the ‘delete post’ modal) and
controller
-  Modal will be opened if ‘Delete User’ is selected in the user
setting cog menu
Update to release process

- Release does all init & prod tasks necessary to create a full build
- Don't create or include .map files
- Don't include pre-minified prod files
- Don't include export .json files
- Don't include client/html
Merge pull request #3588 from felixrieseberg/iss3529

Working delete user modal & button