move dependency to wiki plugin

lib/foodsoft_wiki/foodsoft_wiki.gemspec

@@ -17,6 +17,7 @@ Gem::Specification.new do |s|
   s.test_files = Dir["test/**/*"]
 
   s.add_dependency "rails", "~> 3.2.15"
+  s.add_dependency 'wikicloth'
   s.add_dependency 'acts_as_versioned' # need git version, make sure that is included in foodsoft's Gemfile
 
   s.add_development_dependency "sqlite3"

lib/foodsoft_wiki/lib/foodsoft_wiki.rb

@@ -1,4 +1,6 @@
-require "foodsoft_wiki/engine"
+require 'wikicloth'
+require 'acts_as_versioned'
+require 'foodsoft_wiki/engine'
 
 module FoodsoftWiki
 end