Added test_create_binding_target

Goals (incl. binding) are required to have targets
Plugin fixtures are available through accessors

app/views/targets/_contextual.html.erb

@@ -1,4 +1,4 @@
-<% if User.current.allowed_to?(:manage_common, @project) %>
+<% if User.current.allowed_to?(:manage_body_trackers, @project) %>
   <%= link_to t(".link_new_target"),
     new_project_target_path(@project, @view_params),
     {remote: true, class: 'icon icon-add'} %>

app/views/targets/_form.html.erb

@@ -5,7 +5,6 @@
     <div id='goal-form' class="tabular">
       <% if goal.persisted? || goal.is_binding? %>
         <p><%= render partial: 'goals/show_form', locals: {goal: goal} %></p>
-        <%#= t '.effective_from' %>
         <p><%= f.date_field :effective_from, disabled: !goal.is_binding? %></p>
       <% else %>
         <%= render partial: 'goals/form', locals: {goal: goal} %>