org: add layer variable for todo bindings

layers/+emacs/org/config.el

@@ -11,6 +11,9 @@
 
 ;; Variables
 
+(defvar org-want-todo-bindings nil
+  "If non-nil, evil-org's todo bindings are activated.")
+
 (defvar org-enable-bootstrap-support nil
   "If non-nil Twitter Bootstrap related packages are configured.")
 

layers/+emacs/org/packages.el

@@ -54,7 +54,10 @@
     :init
     (progn
       (add-hook 'org-mode-hook 'spacemacs//evil-org-mode)
-      (setq evil-org-key-theme '(textobjects navigation additional)))
+      (setq evil-org-key-theme `(textobjects
+                                 navigation
+                                 additional
+                                 ,@(when org-want-todo-bindings '(todo)))))
     :config
     (spacemacs|diminish evil-org-mode " ⓔ" " e")))