DEV: plugin generator will now ask for github username (#6337)

lib/generators/plugin/templates/LICENSE.erb

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2018 <%= @options['author'] %>.
+Copyright (c) 2018 <%= @github_username %>.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in

lib/generators/plugin/templates/README.md.erb

@@ -5,7 +5,7 @@
 ## Installation
 
 Follow [Install a Plugin](https://meta.discourse.org/t/install-a-plugin/19157)
-how-to from the official Discourse Meta, using `git clone https://github.com/<%= @options['author'] %>/<%= dasherized_name %>.git`
+how-to from the official Discourse Meta, using `git clone https://github.com/<%= @github_username %>/<%= dasherized_name %>.git`
 as the plugin command.
 
 ## Usage

lib/generators/plugin/templates/plugin.rb.erb

@@ -1,8 +1,8 @@
 # name: <%= name %>
-# about: AWESOME_PLUGIN
+# about:
 # version: 0.1
-# authors: <%= @options['author'] %>
-# url: https://github.com/<%= @options['author'] %>
+# authors: <%= @github_username %>
+# url: https://github.com/<%= @github_username %>
 
 <% if @options["stylesheet"] %>
 register_asset "stylesheets/common/<%= dasherized_name %>.scss"