Stop using abbreviated names of attributes in UI.
Merge pull request #3582 from Gaelan/just_call_it_perception

Stop using abbreviated names of attributes in UI.
Fix stats.jade.

I broke it in a previous PR.
Merge pull request #3584 from Gaelan/patch-1

Well, this was embarrassing.
fix(backers): give missing backer mount to $70+, sorry everyone :( :(
fixes #3544
feat(backgrounds): add backgrounds feature