Adds text area field

Author: dkastl

app/views/hooks/_print_issue_form.html.erb

@@ -2,6 +2,7 @@
   <h3><%= l :label_gtt_print_title %></h3>
   <%= form_tag gtt_print_jobs_path, remote: true do |f| %>
     <%= hidden_field_tag :issue_id, @issue.id %>
+    <%= text_area_tag :gtt_print_custom_text %><br>
     <%= select_tag :gtt_print_layout, options_from_collection_for_select(layouts, :to_s, :to_s) %>
     <button type="submit"><%= l :button_gtt_print_submit %></button>
   <% end %>
@@ -16,6 +17,7 @@
   <h3><%= l :label_gtt_print_title %></h3>
   <%= form_tag gtt_print_jobs_path, remote: true do |f| %>
     <%= hidden_field_tag :issue_ids, @issues.map(&:id).join(',') %>
+    <%= text_area_tag :gtt_print_custom_text %><br>
     <%= select_tag :gtt_print_layout, options_from_collection_for_select(layouts, :to_s, :to_s) %>
     <button type="submit"><%= l :button_gtt_print_submit %></button>
   <% end %>