improve copy for new request email

app/controllers/crops_controller.rb

@@ -123,7 +123,7 @@ class CropsController < ApplicationController
 
     respond_to do |format|
       if @crop.save
-        if current_member.has_role? :crop_wrangler
+        unless current_member.has_role? :crop_wrangler
           Role.crop_wranglers.each do |w|
             Notifier.new_crop_request(w, @crop).deliver!
           end

app/mailers/notifier.rb

@@ -24,7 +24,7 @@ class Notifier < ActionMailer::Base
 
   def new_crop_request(member, request)
     @member, @request = member, request
-    mail(:to => @member.email, :subject => "New crop request")    
+    mail(:to => @member.email, :subject => "#{@request.requester.login_name} has requested #{@request.name} as a new crop")    
   end
 
   def crop_request_approved(member, crop)

app/views/notifier/new_crop_request.html.haml

@@ -1,7 +1,24 @@
 - site_name = ENV['GROWSTUFF_SITE_NAME']
+
 %p Hello #{@member.login_name},
 
-%p
-  A new crop has been requested. View, edit, approve or reject the request:
+%p 
+  #{@request.requester.login_name} has requested a new crop on #{site_name}.
 
-  = link_to "Request for #{@request}", crop_url(@request)
+%ul
+  %li Name: #{@request.name}
+  %li Wikipedia URL: #{@request.en_wikipedia_url.present? ? @request.en_wikipedia_url : "not specified"}
+
+%p
+  As a crop wrangler, you can #{link_to "approve or reject this request", edit_crop_url(@request)}.
+
+%p
+  Or, discuss this and other crop wrangling issues in our #{link_to "crop wrangling forum", "http://talk.growstuff.org/c/crop-wrangling"}.
+
+%p
+  Thanks for your help!
+
+%p
+  The Growstuff (staging) team
+  %br/
+  =link_to root_url, root_url

db/schema.rb

@@ -285,6 +285,7 @@ ActiveRecord::Schema.define(version: 20150201064502) do
     t.datetime "updated_at"
     t.string   "slug"
     t.integer  "forum_id"
+    t.integer  "parent_id"
   end
 
   add_index "posts", ["created_at", "author_id"], name: "index_posts_on_created_at_and_author_id", using: :btree