Move plugins to separate directory.

plugins/wiki/lib/foodsoft_wiki.rb

@@ -0,0 +1,13 @@
+require 'wikicloth'
+require 'acts_as_versioned'
+require 'diffy'
+require 'content_for_in_controllers'
+require 'foodsoft_wiki/engine'
+
+module FoodsoftWiki
+  # Return whether the wiki is used or not.
+  # Enabled by default in {FoodsoftConfig} since it used to be part of the foodsoft core.
+  def self.enabled?
+    FoodsoftConfig[:use_wiki]
+  end
+end

plugins/wiki/lib/foodsoft_wiki/engine.rb

@@ -0,0 +1,19 @@
+module FoodsoftWiki
+  class Engine < ::Rails::Engine
+    def navigation(primary, ctx)
+      return unless FoodsoftWiki.enabled?
+      primary.item :wiki, I18n.t('navigation.wiki.title'), '#', id: nil do |subnav|
+        subnav.item :wiki_home, I18n.t('navigation.wiki.home'), ctx.wiki_path, id: nil
+        subnav.item :all_pages, I18n.t('navigation.wiki.all_pages'), ctx.all_pages_path, id: nil
+      end
+      # move this last added item to just after the foodcoop menu
+      if i = primary.items.index(primary[:foodcoop])
+        primary.items.insert(i+1, primary.items.delete_at(-1))
+      end
+    end
+
+    def default_foodsoft_config(cfg)
+      cfg[:use_wiki] = true
+    end
+  end
+end

plugins/wiki/lib/foodsoft_wiki/version.rb

@@ -0,0 +1,3 @@
+module FoodsoftWiki
+  VERSION = "0.0.1"
+end