Admins can always change their username
#2217

Signed-off-by: Suki <suki@missallsunday.com>
Change $txt['download_packages'] Download Packages => Add Packages
#2204

Signed-off-by: Suki <suki@missallsunday.com>
Merge pull request #2224 from MissAllSunday/stuff

Stuff