feat(messages): add html formatting to messages

This commit allows users to use the trix editor to send
messages with basic formatting and attachements.

* add active storage
* add actiontext
* add richtext field to messages
* add imageprocessing for message attachements
* add html email layout and adjust translations to use html urls

plugins/messages/app/views/messages/new.haml

@@ -110,7 +110,7 @@
     = f.input :recipient_tokens, :input_html => { 'data-pre' => User.where(id: @message.recipients_ids).map(&:token_attributes).to_json }
   = f.input :private, inline_label: t('.hint_private')
   = f.input :subject, input_html: {class: 'input-xxlarge'}
-  = f.input :body, input_html: {class: 'input-xxlarge', rows: 13}
+  = f.rich_text_area :body, input_html: {class: 'input-xxlarge', rows: 13}
   .form-actions
     = f.submit class: 'btn btn-primary'
     = link_to t('ui.or_cancel'), :back

plugins/messages/app/views/messages/show.haml

@@ -33,7 +33,7 @@
         - if @message.can_toggle_private?(current_user)
           = link_to t('.change_visibility'), toggle_private_message_path(@message), method: :post, class: 'btn btn-mini'
   %hr/
-  %p= simple_format(h(@message.body))
+  .trix-content= @message.body
   %hr/
   %p
     = link_to t('.reply'), new_message_path(:message => {:reply_to => @message.id}), class: 'btn'

plugins/messages/app/views/messages_mailer/foodsoft_message.html.haml

@@ -0,0 +1,11 @@
+= raw @message.body
+%hr
+%ul
+  - if @message.group
+    %li= t '.footer_group', group: @message.group.name
+  %li
+    %a{href: new_message_url('message[reply_to]' => @message.id)}= t '.reply'
+  %li
+    %a{href: message_url(@message)}= t '.see_message_online'
+  %li
+    %a{href: my_profile_url}= t '.messaging_options'