Make C-c r C customize remember templates

Make C-c r C customize remember templates

Adam Spiers writes:

> I really like the way `M-x org-agenda C' takes you straight to the
> *Customize Option: Org Agenda Custom Commands* buffer.  Similarly, it
> would be nice if `M-x org-remember C' took you straight to the
> *Customize Option: Org Remember Templates* buffer.

This does now work, but only if the user has no template defined for
the access letter `C'.

>
> Although in both cases it would be even nicer if the keystroke for
> this was customisable, as no doubt some people already have `M-x
> org-remember C' set up to do something else.

It is not customizable, like for the agenda....