[#4177] Refactored new Contract form to be used with editing a contract.

app/views/contracts/edit.html.erb

@@ -0,0 +1,9 @@
+<%= content_tag(:h2, h(resource.name)) %>
+
+<% semantic_form_for resource, :url => contract_path(@project, resource), :html => {:class => 'tabular'} do |form| %>
+<%= render :partial => 'form', :object => form %>
+<% end %>
+
+<% content_for(:header_tags) do %>
+  <%= stylesheet_link_tag "redmine_contracts", :plugin => "redmine_contracts", :media => "screen" %>
+<% end %>