Booth can be replaced with any alias by replacing it in alias.en.yml. This change is introduced as some events do not use booth but uses other words such as stand.
While creating a splashpage,admin may want to
select all the options by checking all the boxes
at once, or clear all the checked boxes at
once.
Closes https://github.com/openSUSE/osem/issues/2022
* Consistent route/model/controller/view layout
* Get rid of unused photos, speakers, dietchoices, social_events controllers
* Drop unused :public from Rooms and :description from CallForPapers
