emacs: swap e/E keybindings
emacs: swap e/E keybindings

Once we are in a project (a VCS-tracked file), we almost always use
helm-projectile to find a file belonging to that project. So, we rarely end up
using helm-find-files which is a helmified raw filesystem navigator.

listx/syscfg,listx/syscfg,listx/syscfg,listx/syscfg,listx/syscfg