* sly-autoloads.el (sly-lisp-mode-hook): Autoload
`sly-lisp-mode-hook'.
(lisp-mode-hook): Add `sly-editing-hook'.

* sly.el (sly-setup): Always add `sly-editing-mode' to
`lisp-mode-hook'.
(sly-lisp-modes): Removed variable.
(sly-lisp-mode-hook): Removed.
(sly-doc-map, sly-who-map, sly-prefix-map, sly-parent-map)
(sly-mode-map, slime-editing-mode-map): Normal maps with defvars.
(sly-keys, sly-nop, sly-who-bindings, sly-init-keymaps)
(sly-init-keymap, sly-bind-keys): Removed.
(sly-pre-command-actions, sly-pre-command-hook)
(sly-setup-command-hooks): Removed.
(sly-show-arglist): Bring it back.
(sly-indent-and-complete-symbol): Use it, instead of
`sly-echo-arglist'
(sly-inspector-value-face): Removed.
(sly-face-inheritance-possible-p): Removed.
(sly-inspectable-value-face): New face.
(sly-highlight-face, sly-inspector-action-face): Don't use
`sly-face-inheritance-possible-p'.
(sly-open-inspector, sly-inspector-insert-ispec): Use
`sly-face-inheritance-possible-p'.

* contrib/sly-fontifying-fu.el (sly-reader-conditional-face): Don't use
`sly-face-inheritance-possible-p'.

* contrib/sly-repl.el (sly-repl-prompt-face, sly-repl-output-face): Don't
use `sly-face-inheritance-possible-p'.