fix #585: Add option to disable the loading notification

src/beautify.coffee

@@ -56,9 +56,10 @@ setCursors = (editor, posArray) ->
 
 # Show beautification progress/loading view
 beautifier.on('beautify::start', ->
-  LoadingView ?= require "./views/loading-view"
-  loadingView ?= new LoadingView()
-  loadingView.show()
+  if atom.config.get("atom-beautify.general.showLoadingView")
+    LoadingView ?= require "./views/loading-view"
+    loadingView ?= new LoadingView()
+    loadingView.show()
 )
 beautifier.on('beautify::end', ->
   loadingView?.hide()

src/config.coffee

@@ -42,4 +42,9 @@ module.exports = {
         type : 'boolean'
         default : false
         description : "Do not show any/all errors when they occur"
+      showLoadingView :
+        title: "Show Loading View"
+        type : 'boolean'
+        default : true
+        description : "Show loading view when beautifying"
     }