v2.0.5.0

Change log

1. New feature:
   1. Make json highlighter configurable
2. Bug/regression fixes:
   1. Handle json for both the views.
   2. Update treeview on reopen
   3. When file type is json, then error message is shown twice on npp launch if viewer dock was kept opened on previous instance
   4. Don't show error message on startup for non json files