Hosted repositories and archivists who may not have the technical skills are not easily able to adjust basic configurable options since they wouldn't have access to the back end config files. This ticket is intended to pull together a list of config options that should be built into the staff interface for users in the System Administrator (and maybe Repository Manager?) permission level.
Functions (please feel free to add more in the comments!):
Add and change theming/brand icon
Add and change PDF icon