Merge pull request #1804 from szeck87/master

Fix for #1721. Changes required due to TextBuffer.save becoming async in Atom 1.19

src/beautify.coffee

@@ -542,10 +542,11 @@ handleSaveEvent = ->
             # It will add a newline and keep the file from converging on a beautified form
             # and saving without emitting onDidSave event, because there were no changes.
             pendingPaths[filePath] = true
-            editor.save()
+            Promise.resolve(editor.save()).then(() ->
               delete pendingPaths[filePath]
               logger.verbose('Saved TextEditor.')
             )
+        )
         .catch((error) ->
           return showError(error)
         )