[Fix clojure-emacs#384] Add cljr-auto-sort-project-dependencies

* Add new defcustom `cljr-auto-sort-project-dependencies', defaults to
  nil.
* Add new function `cljr--maybe-sort-project-dependencies'.
* Call new function from `cljr-add-project-dependency'.
* Update changelog.

Author: raxod502

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## 2.3.1
 
+- [#384](https://github.com/clojure-emacs/clj-refactor.el/issues/384) Add `cljr-auto-sort-project-dependencies`.
 - [#363](https://github.com/clojure-emacs/clj-refactor.el/issues/363) cljr-favor-prefix-notation by default is set to false
 - Display keymap bindings in documentation for minor mode
 - New config setting `cljr-libspec-whitelist` to prevent libspecs which appear unused but are side-effecting at load from being pruned.

clj-refactor.el

@@ -58,6 +58,11 @@
   :group 'cljr
   :type 'boolean)
 
+(defcustom cljr-auto-sort-project-dependencies nil
+  "If t, sort project dependencies after any command that changes them."
+  :group 'cljr
+  :type 'boolean)
+
 (defcustom cljr-magic-requires t
   "Whether to automatically require common namespaces when they are used.
 These are the namespaces listed in `cljr-magic-require-namespaces'.
@@ -2172,6 +2177,10 @@ possible choices. If the choice is trivial, return it."
       (paredit-backward-down)
       (cljr-hotload-dependency))))
 
+(defun cljr--maybe-sort-project-dependencies ()
+  (when cljr-auto-sort-project-dependencies
+    (cljr-sort-project-dependencies)))
+
 ;;;###autoload
 (defun cljr-add-project-dependency (force)
   "Add a dependency to the project.clj file.
@@ -2183,7 +2192,8 @@ See: https://github.com/clojure-emacs/clj-refactor.el/wiki/cljr-add-project-depe
 			 (cljr--prompt-user-for "Artifact: ")))
 	     (version (thread-last (cljr--get-versions-from-middleware lib-name)
 			(cljr--prompt-user-for "Version: "))))
-    (cljr--add-project-dependency lib-name version)))
+    (cljr--add-project-dependency lib-name version)
+    (cljr--maybe-sort-project-dependencies)))
 
 ;;;###autoload
 (defun cljr-update-project-dependency ()